NASA, International Astronauts Answer Questions from Florida Students

Students in Big Pine Key, Florida, will have the chance to have NASA astronauts aboard the International Space Station answer their prerecorded questions.

At 10:05 a.m. EDT on Monday, July 14, NASA astronaut Nicole Ayers and JAXA (Japan Aerospace Exploration Agency) astronaut Takuya Onishi will answer questions submitted by students.

Watch the 20-minute Earth-to-space call on NASA STEM’s YouTube Channel.

The event is hosted by the Seacamp Association of Big Pine Key, Florida, which provides immersive science lessons for youth interested in discovering the sea. The event will be attended by local Monroe County students, as well as national and international campers ages 10-17 years old. The goal of the event is to help students make connections between astronauts training in space and scientists working in the sea.  

Media interested in covering the event must RSVP by 5 p.m. EDT, Friday, July 11, to Judy Gregoire at: 305-872-2331 or email at: info@seacamp.org.

For nearly 25 years, astronauts have continuously lived and worked aboard the space station, testing technologies, performing science, and developing skills needed to explore farther from Earth. Astronauts aboard the orbiting laboratory communicate with NASA’s Mission Control Center in Houston 24 hours a day through SCaN’s (Space Communications and Navigation) Near Space Network.

Important research and technology investigations taking place aboard the space station benefit people on Earth and lay the groundwork for other agency missions. As part of NASA’s Artemis campaign, the agency will send astronauts to the Moon to prepare for future human exploration of Mars; inspiring Golden Age explorers and ensuring the United States continues to lead in space exploration and discovery.

See videos of astronauts aboard the space station at:

https://www.nasa.gov/stemonstation

-end-

Gerelle Dodson
Headquarters, Washington
202-358-1600
gerelle.q.dodson@nasa.gov

Sandra Jones
Johnson Space Center, Houston
281-483-5111
sandra.p.jones@nasa.gov

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Gerelle Q. Dodson

I Am Artemis: Joe Pavicic

2 Min Read

I Am Artemis: Joe Pavicic

Listen to this audio excerpt from Joe Pavicic, Artemis operations project engineer

Joe Pavicic will never forget when he told the Artemis launch director teams were NO-GO for launch.

Before Artemis I lifted off from NASA’s Kennedy Space Center in Florida in November 2022, the launch team made multiple launch attempts the months prior.  

“During a previous Artemis I launch attempt, there was an issue with engine three,” said Pavicic, operations project engineer who worked on the engines console during Artemis I. “One sensor was showing that it wasn’t seeing liquid hydrogen through it. It was showing that it was at ambient temperature.”

And I had to tell the launch director, ‘We can’t get there today with the current criteria that we have. My recommendation is a NO-GO.’

Joe pavicic

Operations Project Engineer

Prior to engine ignition, launch team controllers must first chill the engines before the cryogenic liquid propellant fuels and lifts the SLS (Space Launch System) rocket and Orion spacecraft into the heavens and onward to the Moon. Chilling the engines ensures the hardware doesn’t get damaged when exposed to the super-cooled liquid hydrogen at -423 degrees Fahrenheit.   

“We tried everything we could think of,” Pavicic recalls. “Any procedure we could try, we tried it, and we just never saw those rates that we should have.” 

Thus, Pavicic, who is originally from West Palm Beach and studied aerospace engineering at Embry Riddle Aeronautical University in Daytona Beach, Florida, went back to the drawing board with the rest of his team, working days and nights rewriting procedures and learning new lessons about the engines and sensors until they were finally able to get to a successful launch. 

“I just remember after I said, ‘NO-GO,’ I felt like all these people came to watch the launch, all my family, and I’m like, ‘I’m the guy,’ but I told myself, ‘I’m not going to be the one to say this for the next launch attempt. I’m going to do what I can to get us there.’ 

joe pavicic

Operations Project Engineer

NASA successfully launched and flew the Artemis I mission and now, Pavicic is working as one of the operations project engineers, continuing to help the launch team develop new launch commit criteria and procedures within the launch countdown ahead of Artemis II, the first crewed Artemis mission, which will send four astronauts around the Moon and back in 10 days next year.  

About the Author

Antonia Jaramillo

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Polar Tourists Give Positive Reviews to NASA Citizen Science in Antarctica

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The FjordPhyto citizen science project invites travelers onboard expedition cruise vessels to gather data and samples during the polar summer season, helping researchers understand changes in microalgae communities in response to melting glaciers. Travelers in Antarctica from November to March help collect phytoplankton and ocean data from polar regions facilitated by trained expedition guides. 

The new research found that ninety-seven percent of respondents reported that participating in citizen science enriched their travel experience. The paper provides a first understanding of the impact of citizen science projects on the tourism experience.  

“I was worried that I would feel guilty being a tourist in a place as remote and untouched as Antarctica,” said one anonymous FjordPhyto participant. “But being able to learn and be a part of citizen science, whilst constantly being reminded of our environmental responsibilities, made me feel less like just a visitor and more a part of keeping the science culture that Antarctica is known for alive and well.” 

For more information and to sign up, visit the FjordPhyto website. 

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Continuing the Quest for Clays

Written by Eleanor Moreland, Ph.D. Student Collaborator at Rice University

For the past month and a half, Perseverance has been exploring the Krokodillen plateau in search of clay-bearing rocks. An earlier blog discussed that these rocks could hold clues to Mars’ watery past, and Perseverance has been exploring multiple potential locations to find a suitable target to sample. When a coring target could not be found at the previous outcrop, the Science Team decided to return to the “Main Topsail” locality. In a single drive to this area, Perseverance drove 411.7 meters (1,350.7 feet, or just over a quarter mile) — the longest driving distance ever accomplished by a robotic vehicle on another planet. Go, Percy, go! 

Back in the region near “Main Topsail” and “Salmon Point,” the team attempted to abrade and sample the clay-bearing rocks at a few different targets. These rocks, however, are proving very breakable and difficult to sample and abrade. Perseverance has experienced challenging fine-grained rocks before, such as during the fan front campaign inside Jezero crater. In that scenario and this one, the Science and Engineering teams work together diligently to find the highest priority targets and find rocks that could withstand the abrasion and coring processes. In this case, the team has decided to return to the site of a previous abrasion, “Strong Island,” to sample the rock we have already abraded and analyzed. This abrasion showed the strong clay signature the team is looking to sample, and we will make another coring attempt this week. 

This past week, the Perseverance team hosted two very special visitors, Madeline and Joshua, and had the unique honor of fulfilling their wishes through the Make-A-Wish foundation. During their visits to JPL, Madeline and Joshua were named honorary Mars 2020 Operations Team Members. They visited the test rovers in the JPL Mars Yard, watched data arrive from the rover with the Perseverance operations team, and attended a rover planning meeting, collaborating with the science and engineering team members on campus. Madeline and Joshua will forever be connected to the Mars 2020 mission, as each selected the name of one of our planning targets. Madeline’s target, “Jigging Cove,” was a target for Mastcam-Z and SuperCam “all techniques” analysis, including LIBS, VISIR, and RMI. Joshua’s selection, “Gallants,” will be used for the next coring target. Carrying forward the resilience shown by Madeline and Joshua, Perseverance will attempt to sample this clay-rich bedrock before continuing the investigation along the Jezero crater rim. 

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