Renee King: Ensuring Space for Everyone

Renee King: Ensuring Space for Everyone

4 min read

Preparations for Next Moonwalk Simulations Underway (and Underwater)

Renee King calls herself Goddard Space Flight Center’s conscience: She helps make sure that at NASA Goddard, there truly is space for everyone.

Name: Renee King
Title: Deputy Director of Equal Opportunity
Formal Job Classification: Supervisory, Equal Employment Opportunity Specialist
Organization: Office of Diversity and Equal Opportunity (Code 120)

Renee King stands against a white wall wearing a dressy black shirt and black pants.
Renee King is the Deputy Director of Equal Opportunity at NASA’s Goddard Space Flight Center in Greenbelt, Maryland.
Courtesy of Renee King

What do you do and what is most interesting about your role here at Goddard? How do you help support Goddard’s mission?

I provide oversight and manage the Equal Opportunity (EO) program, which consists of the complaints, reasonable accommodation, Affirmative Employment (MD 715) and special emphasis programs. I serve as the conscience of the center, ensuring fairness and equity for all employees. My most interesting role here at the center is building relationships with the people and forming partnerships with community, local and national groups, and organizations, while I support the mission of attracting and developing a talented and diverse workforce.

What is your educational background? What attracted you to EO?

I have a bachelor’s degree in business administration from the University of Maryland, Eastern Shore.

I value people and processes and  believe in equality and fairness. Being part of something that is bigger than me, as I love to help people and want to be the change agent that empowers DEIA – diversity, equity, inclusion, and accessibility – and it’s the right thing to do.

What brought you to Goddard?

I came to Goddard because it was ranked the number one agency to work for in their category. I started as an EEO specialist and evolved in 2022 into my current position.

What are your goals for Goddard’s EO programs?

I want to ensure that we are acknowledging the underrepresented groups and understanding the data around these groups and how they represent Goddard. For example, if there is a lack of women engineers at Goddard, we can look at the data and do more outreach to encourage more women engineers to work at Goddard.

We are focused now on identifying and collecting data about these unrepresented groups.

How do you use the data to implement change?

We effect change through outreach to build awareness. One way is to look at more diverse universities and colleges, such as Historically Black Colleges and Universities (HBCUs), Hispanic-serving institutions, and tribal universities, to see how they could assist us in the goal of getting more diverse talent in the workplace.

What is your involvement with Goddard’s employee resource groups (ERGs)?

I oversee the Women’s ERG, which addresses issues surrounding women at Goddard and in general. The group allows us to promote education and training through observances, mentoring, and program activities.

I also oversee the program managers for most of Goddard’s ERGs to include the African Diaspora ERG, the Equal Accessibility ERG, the Hispanic Advisory Committee for Employees (HACE) ERG, the Native American ERG, and the Asian American ERG. All of the ERGs are vital to the center and the people.

How do you communicate Goddard’s EO program needs to management?

I assist the Goddard Office of Diversity and Equal Opportunity director as a consultant, and as an adviser to the center director, deputy center directors, associate center director, and other management officials on all equal opportunity matters. Partially related to DEIA, I meet bi-weekly with senior management, which allows me to feel connected with and believe that they deeply care about our program. EO has a definite place in Goddard’s organization and we feel very supported.

I thank Veronica Hill, Goddard’s EO director, for putting our office in a place where we are seen and heard. I thank senior management for listening and caring.

Who inspires you?

My mom! She is the strongest woman I know. I stand on the shoulders of three generations of strong black women. She was the matriarch of our family. I saw her strength and her will as she fought for everything that she thought was right, even against her cancer. The lesson I learned is to never give up. Family is everything.

What are your hobbies?

I like shopping. I enjoy home decorating. I also love event planning, especially family reunions.

What is your “six-word memoir”? A six-word memoir describes something in just six words.

Resilient. Loyal. Diligent. Professional. Kind. Supportive.

By Elizabeth M. Jarrell
NASA’s Goddard Space Flight Center, Greenbelt, Md.

A banner graphic with a group of people smiling and the text "Conversations with Goddard" on the right. The people represent many genders, ethnicities, and ages, and all pose in front of a soft blue background image of space and stars.

Conversations With Goddard is a collection of Q&A profiles highlighting the breadth and depth of NASA’s Goddard Space Flight Center’s talented and diverse workforce. The Conversations have been published twice a month on average since May 2011. Read past editions on Goddard’s “Our People” webpage.

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Feb 20, 2024

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Madison Olson
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Rob Garner
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55 Years Ago: Five Months Until the Moon Landing

55 Years Ago: Five Months Until the Moon Landing

Following the success of the Apollo 8 circumlunar mission, NASA believed that it could achieve a Moon landing by the summer of 1969 and meet President John F. Kennedy’s goal. Much work remained to accomplish that objective. Three crews and their backups trained for the next three Apollo missions while workers at NASA’s Kennedy Space Center (KSC) in Florida prepared the spacecraft and rockets for those flights. With Apollo 9 in the home stretch to test the Lunar Module (LM) in Earth orbit in early March, preparations also continued for Apollo 10 in May, a lunar orbit test of the LM that served as a dress rehearsal for the Moon landing, and for Apollo 11, the landing mission itself planned for July.

Apollo 8

Apollo 8 astronaut Frank Borman and his wife Susan, at left, meet the Royal family at Buckingham Palace during the London stop of their European tour Borman, left, meets with French President Charles de Gaulle and U.S. Ambassador to France R. Sargent Shriver during the Paris stop of the tour In Den Haag, The Netherlands, Apollo 8 astronaut Borman, right, describes the Lunar Module to Queen Juliana
Left: Apollo 8 astronaut Frank Borman and his wife Susan, at left, meet the Royal family at Buckingham Palace during the London stop of their European tour. Middle: Borman, left, meets with French President Charles de Gaulle and U.S. Ambassador to France R. Sargent Shriver during the Paris stop of the tour. Right: In Brussels, Borman, left, presents a model of the Saturn V rocket to Jean Rey, president of the European Commission.

In Den Haag, The Netherlands, Apollo 8 astronaut Borman, right, describes the Lunar Module to Queen Juliana At The Vatican, Borman, left, presents a photograph of the Moon from Apollo 8 to Pope Paul VI The Bormans, Frank, left, Susan, and sons Edwin and Frederick, hold a press conference in Lisbon, the last stop of their European tour
Left: In Den Haag, The Netherlands, Apollo 8 astronaut Borman, right, describes the Lunar Module to Queen Juliana. Middle: At The Vatican, Borman, left, presents a photograph of the Moon from Apollo 8 to Pope Paul VI. Right: The Bormans, Frank, left, Susan, and sons Edwin and Frederick, hold a press conference in Lisbon, the last stop of their European tour.

As President Richard M. Nixon announced on Jan. 30, Apollo 8 astronaut Frank Borman, his wife Susan, and their two children Frederick and Edwin, set off on their European goodwill tour on Feb. 2, flying aboard a presidential Air Force jet. Borman’s Apollo 8 crewmates James A. Lovell and William A. Anders could not participate in the tour because they had already begun training as part of the Apollo 11 backup crew. The Bormans’ 19-day tour took them to London, Paris, Brussels, Den Haag, Bonn, West Berlin, Rome, Madrid, and Lisbon. They met with royalty, politicians, scientists, and Pope Paul VI, gave lectures during which Borman narrated a film from his flight, and held numerous press conferences.

Apollo 9

Apollo 9 astronauts Russell L. Schweickart, left, James A. McDivitt, and David R. Scott pose in front of the control panel for the spacecraft simulators Fisheye lens view of Schweickart, left, and McDivitt in the Lunar Module simulator A technician poses in the Apollo A7L spacesuit, including the Portable Life Support System backpack used for the first time during Apollo 9
Left: Apollo 9 astronauts Russell L. Schweickart, left, James A. McDivitt, and David R. Scott pose in front of the control panel for the spacecraft simulators. Middle: Fisheye lens view of Schweickart, left, and McDivitt in the Lunar Module simulator. Right: A technician poses in the Apollo A7L spacesuit, including the Portable Life Support System backpack used for the first time during Apollo 9.

Apollo 9 astronauts James A. McDivitt, David R. Scott, and Russell L. Schweickart planned to conduct the first crewed test of the LM during their 10-day Earth orbital mission. They and their backups Charles “Pete” Conrad, Richard F. Gordon, and Alan L. Bean spent many hours in the spacecraft simulators and training for the spacewalk component of the mission. The planned spacewalk, the first and only one before the Moon landing mission, would not only test the spacesuit and its Portable Life Support System but also demonstrate an external crew transfer should a problem arise with the internal transfer tunnel or hatches. McDivitt, Scott, and Schweickart provided details of their mission to reporters during a press conference on Feb. 8 at the Manned Spacecraft Center (MSC), now NASA’s Johnson Space Center in Houston. They explained that during the mission phase when the two vehicles fly separately, they will use the call signs Spider for the LM and Gumdrop for the Command Module (CM), lighthearted references to the shapes of the respective spacecraft.

Apollo 9 astronauts Russell L. Schweickart, left, James A. McDivitt, and David R. Scott during the preflight crew press conference at the Manned Spacecraft Center (MSC), now NASA’s Johnson Space Center in Houston Senior NASA management assembled for the Apollo 9 Flight Readiness Review at NASA’s Kennedy Space Center (KSC): Associate Administrator for Manned Flight George E. Mueller, left, Apollo Program Director Samuel C. Phillips, KSC Director Kurt H. Debus, MSC Director Robert R. Gilruth, and Marshall Space Flight Center Director Wernher von Braun
Left: Apollo 9 astronauts Russell L. Schweickart, left, James A. McDivitt, and David R. Scott during the preflight crew press conference at the Manned Spacecraft Center (MSC), now NASA’s Johnson Space Center in Houston. Right: Senior NASA management assembled for the Apollo 9 Flight Readiness Review at NASA’s Kennedy Space Center (KSC): Associate Administrator for Manned Flight George E. Mueller, left, Apollo Program Director Samuel C. Phillips, KSC Director Kurt H. Debus, MSC Director Robert R. Gilruth, and Marshall Space Flight Center Director Wernher von Braun.

Senior NASA managers met at NASA’s Kennedy Space Center (KSC) in Florida for Apollo 9’s Flight Readiness Review the first week of February. At the end of the meeting, they set the launch date for Feb. 28. The following week, engineers in Firing Room 2 of KSC’s Launch Control Center conducted the Countdown Demonstration Test (CDDT), essentially a dress rehearsal for the actual countdown. On Feb. 12, McDivitt, Scott, and Schweickart participated in the final portion of the CDDT, as they would on launch day, by donning their spacesuits and climbing aboard their spacecraft for the final two hours of the test. Engineers began the countdown to launch on Feb. 26 but had to halt it the next day when the astronauts developed head colds. Managers reset the launch date to March 3, and the countdown restarted on March 1.

The Apollo 9 Saturn V at Launch Pad 39A at NASA’s Kennedy Space Center in Florida during the Countdown Demonstration Test (CDDT) Engineers in the Launch Control Center’s Firing Room 2 monitor the rocket and spacecraft during the CDDT Apollo 9 astronauts Russell L. Schweickart, left, David R. Scott, and James A. McDivitt pose in front of their Saturn V following the CDDT
Left: The Apollo 9 Saturn V at Launch Pad 39A at NASA’s Kennedy Space Center in Florida during the Countdown Demonstration Test (CDDT). Middle: Engineers in the Launch Control Center’s Firing Room 2 monitor the rocket and spacecraft during the CDDT. Right: Apollo 9 astronauts Russell L. Schweickart, left, David R. Scott, and James A. McDivitt pose in front of their Saturn V following the CDDT.

Apollo 10

The three stages of the Saturn V stacked on Mobile Launcher-3 The Apollo 10 spacecraft, the Command and Service Modules and the Lunar Module (LM) encased in the Spacecraft LM Adapter, arrives from the Manned Spacecraft Operations Building Workers lift the spacecraft for stacking onto the rocket, the footpads of the LM’s folded landing gear visible Workers lower the spacecraft onto the Saturn V rocket’s third stage
Stacking of the Apollo 10 vehicle in High Bay 2 of the Vehicle Assembly Building at NASA’s Kennedy Space Center in Florida. Left: The three stages of the Saturn V stacked on Mobile Launcher-3. Middle left: The Apollo 10 spacecraft, the Command and Service Modules and the Lunar Module (LM) encased in the Spacecraft LM Adapter, arrives from the Manned Spacecraft Operations Building. Middle right: Workers lift the spacecraft for stacking onto the rocket, the footpads of the LM’s folded landing gear visible. Right: Workers lower the spacecraft onto the Saturn V rocket’s third stage.

With Apollo 9 on Launch Pad 39A and almost ready to launch, workers in High Bay 2 of KSC’s Vehicle Assembly Building (VAB) completed stacking of the Apollo 10 launch vehicle. The spacecraft, consisting of the Command and Service Modules atop the LM encased in the Spacecraft LM Adapter, arrived from the Manned Spacecraft Operations Building (MSOB) on Feb. 6 and VAB workers stacked it on the Saturn V rocket the same day. Engineers began to conduct integrated tests on the launch vehicle in preparation for rollout to Launch Pad 39B in mid-March. Apollo 10 astronauts Thomas P. Stafford, John W. Young, and Eugene A. Cernan and their backups L. Gordon Cooper, Donn F. Eisele, and Edgar D. Mitchell spent much time in spacecraft simulators and testing their spacesuits in vacuum chambers.

Apollo 11

Apollo 11 astronaut Edwin E. “Buzz” Aldrin, left, confers with support astronauts Ronald E. Evans and Harrison H. “Jack” Schmitt, the only geologist in the astronaut corps at the time, during training for deployment of the Early Apollo Science Experiment Package (EASEP) Astronaut Don L. Lind, suited, practices deploying the EASEP instruments as Aldrin, in white shirt behind the dish antenna, oberves
Left: Apollo 11 astronaut Edwin E. “Buzz” Aldrin, left, confers with support astronauts Ronald E. Evans and Harrison H. “Jack” Schmitt, the only geologist in the astronaut corps at the time, during training for deployment of the Early Apollo Science Experiment Package (EASEP). Right: Astronaut Don L. Lind, suited, practices deploying the EASEP instruments as Aldrin, in white shirt behind the dish antenna, oberves.

With their historic mission only five months away, the Apollo 11 prime crew of Neil A. Armstrong, Michael Collins, and Edwin E. “Buzz” Aldrin and their backups James A. Lovell, William A. Anders, and Fred W. Haise busied themselves training for the Moon landing. Although the primary goal of the first Moon landing mission centered on demonstrating that the Apollo spacecraft systems could safely land two astronauts on the surface and return them safely to Earth, the surface operations also included collecting lunar samples and deploying experiments. During their two-and-a-half-hour surface excursion, Armstrong and Aldrin planned to deploy three instruments comprising the Early Apollo Surface Experiment Package (EASEP) – a passive seismometer, a laser ranging retro-reflector, and a solar wind composition experiment. On Jan. 21, 1969, astronauts Harrison H. “Jack” Schmitt, the only geologist in the astronaut corps, and Don L. Lind conducted a simulation of the EASEP deployment in MSC’s Building 9. Aldrin observed the simulation, obviously with great interest.

Apollo 11 astronauts Edwin E. “Buzz” Aldrin, left, and Neil A. Armstrong during geology training at Sierra Blanco, Texas Apollo 11 backup astronauts Fred W. Haise, left, and James A. Lovell at the Sierra Blanco geology training session
Left: Apollo 11 astronauts Edwin E. “Buzz” Aldrin, left, and Neil A. Armstrong during geology training at Sierra Blanco, Texas. Right: Apollo 11 backup astronauts Fred W. Haise, left, and James A. Lovell at the Sierra Blanco geology training session.

Generic instruction in geology, including classroom work and field trips, became part of overall NASA astronaut training beginning in 1964. Once assigned to a crew that had a very good chance of actually walking on the lunar surface and collecting rock and soil samples, those astronauts received specialized instruction in geology. On Feb. 24, 1969, the two prime moonwalkers Armstrong and Aldrin, along with their backups Lovell and Haise, participated in their only trip specifically dedicated to geology training. The field exercise in west Texas took place near Sierra Blanca and the ruins of Fort Quitman, about 90 miles southeast of El Paso. Accompanied by a team from MSC’s Geology Branch, the astronauts practiced sampling the variety of rocks present at the site to obtain a representative collection, skills needed to choose the best sample candidates during their brief excursion on the lunar surface. 

Workers mount the S-IC first stage on its Mobile Launcher in the Vehicle Assembly Building at NASA’s Kennedy Space Center in Florida Neil A. Armstrong stands in front of the Lunar Module simulator at the Lunar Landing Research Facility (LLRF) at NASA’s Langley Research Center in Hampton, Virginia Aerial view of the LLRF at Langley
Left: Workers mount the S-IC first stage on its Mobile Launcher in the Vehicle Assembly Building at NASA’s Kennedy Space Center in Florida. Middle: Neil A. Armstrong stands in front of the Lunar Module simulator at the Lunar Landing Research Facility (LLRF) at NASA’s Langley Research Center in Hampton, Virginia. Right: Aerial view of the LLRF at Langley.

By mid-February, all three stages of the Apollo 11 Saturn V had arrived in the VAB, and on Feb. 21, workers stacked the S-IC first stage on its Mobile Launcher in High Bay 1. They finished assembling the rocket in March. In an altitude chamber in the nearby MSOB, on Feb. 10, engineers conducted a docking test between the CM and the LM. Five days later, they mated the ascent and descent stages of the LM for further testing. With the Lunar Landing Training Vehicle (LLTV) still grounded following its December 1968 crash, the Lunar Landing Research Facility (LLRF) at NASA’s Langley Research Center in Hampton, Virginia, remained as the only high-fidelity trainer for the descent and landing of the LM on the Moon. Armstrong practiced landings in the LLRF on Feb 12.

Lunar Receiving Laboratory and Mobile Quarantine Facility

To minimize the risk of back contamination of the Earth with any possible lunar microorganisms, NASA designed and built the 83,000-square-foot Lunar Receiving Laboratory (LRL), residing in MSC’s Building 37. The facility isolated the astronauts, their spacecraft, and lunar samples to prevent any Moon germs from escaping into the environment, and also maintained the lunar samples in as pristine a condition as possible. The Mobile Quarantine Facility (MQF) provided isolation for the returning astronauts from shortly after splashdown until their delivery to the LRL, an activity that required transport of the MQF on a cargo jet aircraft. On Feb. 6, following its return from sea trials, workers placed the MQF inside Chamber A of MSC’s Space Environment Simulation Facility. The test in the large vacuum chamber checked out the MQF’s emergency oxygen supply during a simulated aircraft pressure loss. Three test subjects successfully completed the test.

Workers truck the Mobile Quarantine Facility (MQF) into the Space Environment Simulation Laboratory (SESL) at the Manned Spacecraft Center, now NASA’s Johnson Space Center in Houston Workers install the MQF in Chamber A of the SESL for a test of the emergency oxygen system Test subjects inside the MQF prepare for the emergency oxygen system test in the SESL
Left: Workers truck the Mobile Quarantine Facility (MQF) into the Space Environment Simulation Laboratory (SESL) at the Manned Spacecraft Center, now NASA’s Johnson Space Center in Houston. Middle: Workers install the MQF in Chamber A of the SESL for a test of the emergency oxygen system. Right: Test subjects inside the MQF prepare for the emergency oxygen system test in the SESL.

To be continued …

News from around the world in February 1969:

Feb. 3 – Ibuprofen launched in the United Kingdom as a prescription anti-inflammatory analgesic.

Feb. 5 – The population of the United States reaches 200 million.

Feb. 7 – British band The Who record their song “Pinball Wizard.”

Feb. 7 – Diane Krump becomes the first woman jockey at a major U.S. racetrack (Hialeah, Florida).

Feb. 8 – The Allende meteorite weighing nearly two tons explodes in mid-air and fragments fall on Pueblito de Allende, Chihuahua, Mexico.

Feb. 9 – First flight of the Boeing 747 Jumbo Jet from Everett, Washington.

Feb. 21 – First launch of U.S.S.R.’s N-1 Moon rocket, not successful.

Feb. 24 – U.S. launches Mariner 6 to fly-by Mars.

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NASA-Funded Science Projects Tuning In to ‘Eclipse Radio’

NASA-Funded Science Projects Tuning In to ‘Eclipse Radio’

5 min read

NASA-Funded Science Projects Tuning In to ‘Eclipse Radio’

On April 8, 2024, a total solar eclipse will cross parts of the United States. For millions of people along the path of totality, where the Moon will completely cover the Sun, it may feel like an eerie daytime darkness has descended as temperatures drop and wind patterns change. But these changes are mild compared to what happens some 100 to 400 miles above our heads in an electrically conductive layer of our atmosphere known as the ionosphere, where the “false night” of an eclipse is amplified a hundredfold. Three NASA-funded experiments will investigate the eclipse’s effects on the ionosphere through the power of radio, a technology well suited to studying this enigmatic layer of our atmosphere. 

Solar eclipse over silhouetted trees
The Aug. 21, 2017, total solar eclipse douses Umatilla National Forest in shadow, darkening the sky and rimming the horizon with a 360 degree sunset.
NASA/Mara Johnson-Groh

Whether you’ve heard of the ionosphere or not, you’ve likely taken advantage of its existence. This electric blanket of particles is critical for long-distance AM and shortwave radio. Radio operators aim their transmitters into the sky, “bouncing” signals off this layer and around the curvature of Earth to extend their broadcast by hundreds or even thousands of miles.

The ionosphere is sustained by our Sun. The Sun’s rays separate negatively charged electrons from atoms, creating the positively charged ions that the ionosphere is named for. When night falls, over 60 miles of the ionosphere disappears as ions and electrons recombine into neutral atoms. Come dawn, the electrons are freed again and the ionosphere swells in the Sun’s illumination – a daily cycle of “breathing” in and out at a global scale.

A total solar eclipse is a scientific goldmine – a rare chance to observe a natural experiment in action. On April 8 the three NASA-funded projects listed below are among those “tuning in” to the changes wrought by a blotted-out Sun.

SuperDARN

The Super Dual Auroral Radar Network, or SuperDARN, is a collection of radars located at sites around the world. They bounce radio waves off of the ionosphere and analyze the returning signal. Their data reveals changes in the ionosphere’s density, temperature, and location (i.e. movement).

The 2024 eclipse will pass over three U.S.-based SuperDARN radars. A team of scientists led by Bharat Kunduri, a professor at the Virginia Polytechnic Institute and State University, have been busy preparing for it.

An aerial view of a SuperDARN radar site outside Hays, Kansas.
Credit: Fort Hays State University

“The changes in solar radiation that occur during a total solar eclipse can result in a ’thinning’ of the ionosphere,” Kunduri said. “During the eclipse, SuperDARN will operate in special modes designed to monitor the changes in the ionosphere at finer spatiotemporal scales.”

Kunduri’s team will compare SuperDARN’s measurements to predictions from computer models to answer questions about how the ionosphere responds to a solar eclipse.

HamSCI

While some experiments rely on massive radio telescopes, others depend more on people power. The Ham Radio Science Citizen Investigation, or HamSCI, is a NASA citizen science project that involves amateur or “ham” radio operators. On April 8, ham radio operators across the country will attempt to send and receive signals to one another before, during, and after the eclipse. Led by Nathaniel Frissell, a professor of Physics and Engineering at the University of Scranton in Pennsylvania, HamSCI participants will share their radio data to catalog how the sudden loss of sunlight during totality affects their radio signals.

Students work with Dr. Frissell in the ham radio lab on campus. Simal Sami ’24 (in orange), who is part of Scranton’s Magis Honors Program in STEM; Dr. Frissell; and Veronica Romanek ’23, a physics major.
Photo by Byron Maldonado courtesy of The University of Scranton

This experiment follows similar efforts completed during the 2017 total solar eclipse and the 2023 annular eclipse.

“During the 2017 eclipse, we found that the ionosphere behaved very similar to nighttime,” Frissell said. Radio signals traveled farther, and frequencies that typically work best at night became usable. Frissell hopes to continue the comparison between eclipses and the day/night cycle, assessing how widespread the changes in the ionosphere are and comparing the results to computer models.

RadioJOVE

Some radio signals don’t bounce off of the ionosphere – instead, they pass right through it. Our Sun is constantly roiling with magnetic eruptions, some of which create radio bursts. These long-wavelength bursts of energy can be detected by radio receivers on Earth. But first they must pass through the ionosphere, whose ever-changing characteristics affect whether and how these signals make it to the receiver.

This radio image of the Sun was made with a radio telescope by astronomer Stephen White (University of Maryland). The radio emission was detected with the Very Large Array radio telescope at a wavelength of 4.6 GHz. The image shows bright regions (red and yellow) of million-degree gas above sunspots.
Credit: Courtesy NRAO / AUI / NSF

The RadioJOVE project is a team of citizen scientists dedicated to documenting radio signals from space, especially Jupiter. During the total solar eclipse, RadioJOVE participants will focus on the Sun. Using radio antenna kits they set up themselves, they’ll record solar radio bursts before, during, and after the eclipse.

During the 2017 eclipse, some participants recorded a reduced intensity of solar radio bursts. But more observations are needed to draw firm conclusions. “With better training and more observers, we’ll get better coverage to further study radio propagation through the ionosphere,” said Chuck Higgins, a professor at Middle Tennessee State University and founding member of RadioJOVE. “We hope to continue longer-term observations, through the Heliophysics Big Year and beyond.”

Find out more about the April 8, 2024, solar eclipse on NASA’s eclipse page.

By Miles Hatfield
NASA’s Goddard Space Flight Center, Greenbelt, Md.

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NASA-Funded Science Projects Tuning In to ‘Eclipse Radio’

NASA-Funded Science Projects Tuning In to ‘Eclipse Radio’

5 min read

NASA-Funded Science Projects Tuning In to ‘Eclipse Radio’

On April 8, 2024, a total solar eclipse will cross parts of the United States. For millions of people along the path of totality, where the Moon will completely cover the Sun, it may feel like an eerie daytime darkness has descended as temperatures drop and wind patterns change. But these changes are mild compared to what happens some 100 to 400 miles above our heads in an electrically conductive layer of our atmosphere known as the ionosphere, where the “false night” of an eclipse is amplified a hundredfold. Three NASA-funded experiments will investigate the eclipse’s effects on the ionosphere through the power of radio, a technology well suited to studying this enigmatic layer of our atmosphere. 

Solar eclipse over silhouetted trees
The Aug. 21, 2017, total solar eclipse douses Umatilla National Forest in shadow, darkening the sky and rimming the horizon with a 360 degree sunset.
NASA/Mara Johnson-Groh

Whether you’ve heard of the ionosphere or not, you’ve likely taken advantage of its existence. This electric blanket of particles is critical for long-distance AM and shortwave radio. Radio operators aim their transmitters into the sky, “bouncing” signals off this layer and around the curvature of Earth to extend their broadcast by hundreds or even thousands of miles.

The ionosphere is sustained by our Sun. The Sun’s rays separate negatively charged electrons from atoms, creating the positively charged ions that the ionosphere is named for. When night falls, over 60 miles of the ionosphere disappears as ions and electrons recombine into neutral atoms. Come dawn, the electrons are freed again and the ionosphere swells in the Sun’s illumination – a daily cycle of “breathing” in and out at a global scale.

A total solar eclipse is a scientific goldmine – a rare chance to observe a natural experiment in action. On April 8 the three NASA-funded projects listed below are among those “tuning in” to the changes wrought by a blotted-out Sun.

SuperDARN

The Super Dual Auroral Radar Network, or SuperDARN, is a collection of radars located at sites around the world. They bounce radio waves off of the ionosphere and analyze the returning signal. Their data reveals changes in the ionosphere’s density, temperature, and location (i.e. movement).

The 2024 eclipse will pass over three U.S.-based SuperDARN radars. A team of scientists led by Bharat Kunduri, a professor at the Virginia Polytechnic Institute and State University, have been busy preparing for it.

An aerial view of a SuperDARN radar site outside Hays, Kansas.
Credit: Fort Hays State University

“The changes in solar radiation that occur during a total solar eclipse can result in a ’thinning’ of the ionosphere,” Kunduri said. “During the eclipse, SuperDARN will operate in special modes designed to monitor the changes in the ionosphere at finer spatiotemporal scales.”

Kunduri’s team will compare SuperDARN’s measurements to predictions from computer models to answer questions about how the ionosphere responds to a solar eclipse.

HamSCI

While some experiments rely on massive radio telescopes, others depend more on people power. The Ham Radio Science Citizen Investigation, or HamSCI, is a NASA citizen science project that involves amateur or “ham” radio operators. On April 8, ham radio operators across the country will attempt to send and receive signals to one another before, during, and after the eclipse. Led by Nathaniel Frissell, a professor of Physics and Engineering at the University of Scranton in Pennsylvania, HamSCI participants will share their radio data to catalog how the sudden loss of sunlight during totality affects their radio signals.

Students work with Dr. Frissell in the ham radio lab on campus. Simal Sami ’24 (in orange), who is part of Scranton’s Magis Honors Program in STEM; Dr. Frissell; and Veronica Romanek ’23, a physics major.
Photo by Byron Maldonado courtesy of The University of Scranton

This experiment follows similar efforts completed during the 2017 total solar eclipse and the 2023 annular eclipse.

“During the 2017 eclipse, we found that the ionosphere behaved very similar to nighttime,” Frissell said. Radio signals traveled farther, and frequencies that typically work best at night became usable. Frissell hopes to continue the comparison between eclipses and the day/night cycle, assessing how widespread the changes in the ionosphere are and comparing the results to computer models.

RadioJOVE

Some radio signals don’t bounce off of the ionosphere – instead, they pass right through it. Our Sun is constantly roiling with magnetic eruptions, some of which create radio bursts. These long-wavelength bursts of energy can be detected by radio receivers on Earth. But first they must pass through the ionosphere, whose ever-changing characteristics affect whether and how these signals make it to the receiver.

This radio image of the Sun was made with a radio telescope by astronomer Stephen White (University of Maryland). The radio emission was detected with the Very Large Array radio telescope at a wavelength of 4.6 GHz. The image shows bright regions (red and yellow) of million-degree gas above sunspots.
Credit: Courtesy NRAO / AUI / NSF

The RadioJOVE project is a team of citizen scientists dedicated to documenting radio signals from space, especially Jupiter. During the total solar eclipse, RadioJOVE participants will focus on the Sun. Using radio antenna kits they set up themselves, they’ll record solar radio bursts before, during, and after the eclipse.

During the 2017 eclipse, some participants recorded a reduced intensity of solar radio bursts. But more observations are needed to draw firm conclusions. “With better training and more observers, we’ll get better coverage to further study radio propagation through the ionosphere,” said Chuck Higgins, a professor at Middle Tennessee State University and founding member of RadioJOVE. “We hope to continue longer-term observations, through the Heliophysics Big Year and beyond.”

Find out more about the April 8, 2024, solar eclipse on NASA’s eclipse page.

By Miles Hatfield
NASA’s Goddard Space Flight Center, Greenbelt, Md.

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NASA Astronaut Available for Interviews Prior to Space Station Mission

NASA Astronaut Available for Interviews Prior to Space Station Mission

NASA astronaut Tracy Dyson poses for a portrait at NASA’s Johnson Space Center in Houston.
Credits: NASA

NASA astronaut Tracy C. Dyson is available in limited opportunities to discuss her mission beginning at 8 a.m. EST on Monday, Feb. 26. The interviews will take place ahead of Dyson launching to the International Space Station in March.

The virtual interviews will stream live on NASA+, NASA Television, and the agency’s website. Learn how to stream NASA TV through a variety of platforms including social media.

Interested media must submit a request to speak with Dyson no later than 12 p.m. Friday, Feb. 23, to the NASA Johnson Space Center in Houston newsroom at 281-483-5111 or jsccommu@mail.nasa.gov.

Dyson is scheduled to launch aboard the Soyuz MS-25 spacecraft Thursday, March 21, and will spend approximately six months aboard the space station. She will travel to the station with Roscosmos cosmonaut Oleg Novitskiy and spaceflight participant Marina Vasilevskaya of Belarus, both of whom will spend approximately 12 days aboard the orbital complex.

During her expedition, Dyson will conduct scientific investigations and technology demonstrations that help prepare humans for future space missions and benefit people on Earth. Among some of the hundreds of experiments ongoing during her mission, Dyson will continue to study how fire spreads and behaves in space with the Combustion Integrated Rack, as well as contribute to the long-running Crew Earth Observations study by photographing Earth to better understand how our planet is changing over time.

After completing her expedition, Dyson will return to Earth this fall with Roscosmos cosmonauts Oleg Kononenko and Nikolai Chub on the Soyuz MS-25 spacecraft.

Learn more about International Space Station research and operations at:

https://www.nasa.gov/station

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Joshua Finch / Claire O’Shea
Headquarters, Washington
202-358-1100
joshua.a.finch@nasa.gov / claire.a.o’shea@nasa.gov

Courtney Beasley
Johnson Space Center, Houston
281-483-5111
courtney.m.beasley@nasa.gov

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