NASA astronauts aboard the International Space Station wear eclipse glasses in this image from March 26, 2024. While millions of people on Earth experience the total solar eclipse on April 8, 2024, the space station crew will have the opportunity to see it from 250 miles above our planet. Except during the brief period when the Moon completely blocks the Sun’s bright face, it is not safe to look directly at the Sun without specialized eye protection for solar viewing. On Earth, you must look through safe solar viewing glasses (“eclipse glasses”) with the ISO 12312-2 international standard or a safe handheld solar viewer at all times. If the crew has the opportunity to directly image the eclipse through space station windows, they will use a handheld camera equipped with a solar filter and will not look at the Sun directly.
Based on current orbital position and ground track predictions for the International Space Station, astronauts aboard the orbiting laboratory will have three opportunities to view the ground shadow (penumbra and umbra) of the Moon as it tracks across the Earth surface during the total solar eclipse. After encountering the eclipse shadow above the Pacific Ocean, then during a pass from the New Zealand area to California and Idaho, the space station is predicted to encounter the eclipse during a time of near-to-full totality while over Maine and New Brunswick around 3:30 p.m. EDT.
NASA VIPER Robotic Moon Rover Team Raises Its Mighty Mast
A team of engineers lifts the mast into place atop of NASA’s VIPER robotic Moon rover in a clean room at NASA’s Johnson Space Center in Houston.
NASA/Helen Arase Vargas
NASA’s VIPER – short for the Volatiles Investigating Polar Exploration Rover – now stands taller and more capable than ever. And that’s thanks to its mast.
VIPER’s mast, and the suite of instruments affixed to it, looks a lot like the rover’s “neck” and “head.” The mast instruments are designed to help the team of rover drivers and real-time scientists send commands and receive data while the rover navigates around hazardous crater slopes, boulders, and places that risk communications blackouts. The team will use these instruments, along with four science payloads, to scout the lunar South Pole. During its approximately 100-day mission, VIPER seeks to better understand the origin of water and other resources on the Moon, as well as the extreme environment where NASA plans to send astronauts as part of the Artemis campaign.
The tip of VIPER’s mast stands approximately eight feet (2.5 meters) above its wheel rims and is equipped with a pair of stereo navigation cameras, a pair of powerful LED headlights, as well as a low- and high-gain antenna to transmit data to and receive data from the Deep Space Network (DSN) antennas on Earth.
The stereo navigation cameras – the “eyes” of the rover – are mounted to a part of the mast that gimbals, allowing the team to pan them as much as 400 degrees around and tilt them up and down as much as 75 degrees. The VIPER team will use the navigation cameras to take sweeping panoramas of the rover’s surroundings and images to detect and further study surface features such as rocks and craters as small as four inches (10 cm) in diameter – or about the length of a pencil – from as far as 50 feet (15 meters) away. And because the navigation cameras are mounted up high, it gives the VIPER team a near human-like perspective as the rover explores areas of scientific interest around the Moon’s South Pole.
Due to the extremes of light and darkness found on the Moon, VIPER will be the first planetary rover to have headlights. The headlights will cast a narrow, long-distance beam – much like a car’s high beams – to help the team reveal obstacles or interesting terrain features that would otherwise stay hidden in the shadows. Positioned next to the rover’s two navigation cameras, the lights feature arrays of blue LEDs that the rover navigation team determined would provide the best visibility given the challenging lighting conditions on the Moon.
In order to transmit large amounts of data across the 240,000 miles (384,000 km) that separate Earth and the Moon, VIPER has a gimballing precision-pointed, high-gain antenna that will send information along a very focused, narrow beam. Its low-gain antenna also will send data but using radio waves at a much lower data rate. The ability for the antennas to maintain the correct orientation, even while driving, serves a critical function: without it, the rover cannot receive commands while in motion on the Moon and cannot transmit any of its data back to Earth for scientists to achieve their mission goals. All that data is then transferred from the DSN to the Multi-Mission Operations and Control Center at NASA’s Ames Research Center in California’s Silicon Valley, where rover operations are based.
NASA’s VIPER robotic Moon rover stands taller than ever after engineers integrated its mast in a clean room at NASA’s Johnson Space Center in Houston.
NASA/Josh Valcarcel
Prior to installation on the rover, engineers put the mast through a variety of testing. This included time in a thermal vacuum chamber to verify the white coating surrounding the mast insulates as intended. After the mast’s integration in the clean room at NASA’s Johnson Space Center in Houston, the team also successfully performed check-outs of its components and for the first time sent data through the rover using its antennas.
VIPER is part of the Lunar Discovery and Exploration Program and is managed by the Planetary Science Division of NASA’s Science Mission Directorate at NASA Headquarters in Washington. VIPER will launch to the Moon aboard Astrobotic’s Griffin lunar lander on a SpaceX Falcon Heavy rocket as part of NASA’s Commercial Lunar Payload Services initiative. It will reach its destination at Mons Mouton near the Moon’s South Pole.
Citizen Scientists Invited to Collect Data for NASA During Eclipse
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Citizen Scientists Invited to Collect Data for NASA During Eclipse
Argentine students gather cloud observations and temperature data to upload through the GLOBE Eclipse tool during the eclipse that crossed South America on July 2, 2019.
Pablo Cecchi
On April 8, 2024, as the Moon passes between the Sun and Earth, thousands of amateur citizen scientists will measure air temperatures and snap pictures of clouds. The data they collect will aid researchers who are investigating how the Sun influences climates in different environments.
Among those citizen scientists are the fifth- and sixth-grade students at Alpena Elementary in northwest Arkansas. In the weeks leading up to the eclipse, these students are visiting the school’s weather station 10 times a day to collect temperature readings and monitor cloud cover. They will then upload the data to a phone-based app that’s part of a NASA-led program called GLOBE, short for Global Learning and Observations to Benefit the Environment.
The goal, according to Alpena Elementary science and math teacher Roger Rose, is to “make science and math more real” for his students. “It makes them feel like they’re doing something that’s important and worthwhile.”
The GLOBE eclipse tool is a small part of the much broader GLOBE project, through which students and citizen scientists collect data on plants, soil, water, the atmosphere, and even mosquitoes. And while some of these studies require equipment, contributors to the eclipse project will only need a thermometer and a smart phone with the GLOBE Observer app downloaded. They can access the eclipse tool in the app.
This is not the first time the GLOBE eclipse tool has been deployed in North America. During the 2017 North American eclipse, NASA researchers examined the relationship between clouds and air temperature and found that temperature swings during the eclipse were greatest in areas with less cloud cover, while temperature fluctuations in cloudier regions were more muted. It’s a finding that would have been difficult, perhaps impossible, without the assistance of numerous amateur observers along the eclipse path, said Marilé Colón Robles, a meteorologist based at NASA’s Langley Research Center in Hampton, Virginia, and the GLOBE project scientist overseeing the cloud study portion of the project.
GLOBE program volunteers across North America uploaded data coinciding with the July 21, 2017 event to this map. A high concentration of observers make the path of totality in the western part of the U.S. stand out.
Globe program
The number of weather stations along this year’s eclipse path is limited, and while satellites give us a global view, they can’t provide the same level of detail as people on the ground, said Ashlee Autore, a NASA Langley data scientist who will be conducting a follow-up to the 2017 study. “The power of citizen science is that people make the observations, and they can move.”
It’s still unclear how temperature fluctuations during a total eclipse compare across different climate regions, Colón Robles said. “This upcoming eclipse is passing through desert regions, mountainous regions, as well as more moist regions near the oceans.” Acquiring observations across these areas, she said, “will help us dig deeper into questions about regional connections between cloud cover and ground-level temperatures.” The studies should give scientists a better handle on the flow of energy from the Sun that’s crucial for understanding climate.
In many areas, citizen scientists are expected to gather en masse. “We’re inviting basically all of El Paso to campus,” said geophysicist and GLOBE partner John Olgin of El Paso Community College in Texas. The area will experience the eclipse in near totality, with about 80% of the Sun covered at the peak. It’s enough to make for an engaging event involving citizen scientists from the U.S. and Juarez, Mexico, just across the Rio Grande.
Just a few minutes of midday darkness will have the long-term benefits of increasing awareness of NASA citizen science programs, Olgin said: “It’s going to inspire people to say, ‘Hey look, you can actually do stuff with NASA.’”
More than 30 million people live along the path of the 2024 eclipse, and hundreds of millions more will see a partial eclipse. It will be another 20 years before so many people in North America experience another total solar eclipse again.
With this in mind, Colón Robles has a piece of advice: As the Moon actively blocks the Sun, set your phone and thermometer aside, and marvel at one of the most extraordinary astronomical events of your lifetime.
Visit NASA’s Citizen Science page to learn how you can help NASA scientists study the Earth during eclipses and all year round. The GLOBE Program page provides connections to communities of GLOBE participants in 127 countries, access to data for retrieval and analysis, a roadmap for new participants, and other resources.
Jupiter plows through the Pleiades on March 14, a chance to spot Mercury at month’s end along with a subtle lunar eclipse, and a comet worth keeping an eye on!
March skywatching highlights:
March 10 – New moon
March 13 – The Moon joins Jupiter tonight in the west, following sunset. They make a great pairing through binoculars.
March 14 – Tonight the crescent Moon moves through the Pleiades star cluster, creating a dazzling sight for skywatchers observing with binoculars.
March 21-25 – Northern Hemisphere viewers have their best chance of the year to spot Mercury in the evening sky. Look for it shining brightly, low in the west, starting half an hour after sunset.
March 24-25 – A subtle lunar eclipse called a penumbral eclipse will cause a slight decrease in the Moon’s brightness tonight. It’s usually difficult to see, but you might see the difference if you look before the eclipse and then at the peak. At the peak observers can sometimes see a subtle gradient in brightness across the Moon’s face.
March 25 – Full moon
March 25 – The full moon dims slightly during a penumbral lunar eclipse tonight, as it passes through the outer part of Earth’s shadow, the penumbra. The decrease in brightening for this type of eclipse is subtle, but you might be able to notice a slight gradient in brightness across the Moon’s face around the peak of the event.
All month – Comet 12P/Pons-Brooks is heading toward its closest approach to the Sun on its 71-year orbit, and is bright enough to observe in telescopes and binoculars. There’s a possibility it might become just visible to the unaided eye by late March or sometime in April.
Sky chart showing the changing position of Comet 12P/Pons-Brooks during the month of March. Find the comet in the west-northwest as soon as the sky is fully dark. It moves lower as the month continues
Video Transcript
Text of the current month’s video.
What’s Up for March? Some close pair-ups with the Moon, and Mercury makes an appearance, a subtle lunar eclipse, and a chance to catch a comet.
In March, you’ll find Jupiter shining brightly in the west during the early evening hours all month long. And on March 13th, it’s joined by a crescent Moon so close that the pair will be visible together through binoculars.
Sky chart showing Jupiter with the Moon on the evening of March 13, one hour after sunset.
NASA/JPL-Caltech
On the following evening, the Moon visits the Pleiades. This is another close pairing – with the five-day-old lunar crescent hanging right next to the bright star cluster – that will look great through a small telescope or binoculars.
Near the end of March, observers in the Northern Hemisphere will have the best opportunity of the year to catch a glimpse of Mercury in the evening sky. Look for it shining brightly low in the west following sunset.
Sky chart showing Jupiter and Mercury on the evenings of March 21-25 about 30-40 minutes after sunset.
NASA/JPL-Caltech
Overnight on March 24th and into the 25th, the Moon will pass through the outer part of Earth’s shadow, creating a faint lunar eclipse called a penumbral eclipse. Now, the more spectacular variety of lunar eclipses happens when the Moon passes through Earth’s inner shadow, or umbra. That’s when we see a dark “bite” taken out of the Moon, or in the case of a total lunar eclipse, a reddish, so-called “blood moon.” Penumbral eclipses cause only a slight dimming of the Moon’s brightness, so if you’re not looking for it, you might not know there was an eclipse happening. But if you glance at the Moon early in the night, and then later, around the peak of the eclipse, you might notice the difference in brightness.
Even faint lunar eclipses like this one are always accompanied by a solar eclipse either a couple of weeks before or after. And on April 8th, a total solar eclipse will sweep across the U.S. (We’ll tell you more about that in next month’s video.)
There’s a comet making its way into the inner solar system that’s already observable with a telescope, and might start to become visible to the unaided eye by late March or in April. It’s a mountain of rock, dust, and ice several miles wide named 12P/Pons-Brooks.
It has a stretched-out, 71-year-long orbit that carries it as far from the Sun as the orbit of Neptune and nearly as close as the orbit of Venus. Fortunately, because this orbit is tilted, it doesn’t cross our planet’s path, so there’s no chance of a collision.
Comet 12P has been observed on several of its previous appearances going back hundreds of years, and one thing it’s known for is its occasional outbursts. Sometimes this comet suddenly brightens by quite bit, due to bursts of gas and dust being released from beneath its surface. If this happens in the March-April timeframe as the comet nears the Sun, it could become bright enough to observe with the eye alone.
But even without additional brightening from outbursts, the comet is predicted to peak at a brightness that should make it easy to see with binoculars, and possibly just naked-eye visible under dark skies by the end of March.
Now, comets are notoriously unpredictable, so it’s hard to know for sure how bright Pons-Brooks will get as it nears the Sun, but it’s certainly worth a look. You can find it low in the west-northwest part of the sky at the end of evening twilight.
Comets, along with asteroids, are leftover pieces of the materials that formed the Sun and planets. So catch a comet and glimpse one of the building blocks of our solar system with your own eyes.
Here are the phases of the Moon for March.
The phases of the Moon for March 2024.
NASA/JPL-Caltech
Stay up to date on NASA’s missions exploring the solar system and beyond at science.nasa.gov. I’m Preston Dyches from NASA’s Jet Propulsion Laboratory, and that’s What’s Up for this month.
“What’s Up” is NASA’s longest running web video series. It had its first episode in April 2007 with original host Jane Houston Jones. Today, Preston Dyches, Christopher Harris, and Lisa Poje are the science communicators and space enthusiasts who produce this monthly video series at NASA’s Jet Propulsion Laboratory. Additional astronomy subject matter guidance is provided by JPL’s Bill Dunford, Gary Spiers, Lyle Tavernier, and GSFC’s Molly Wasser.
Crew Keeps Up Space Health Research Before Next Trio Departs
Posing for a portrait aboard the station (from left) are, NASA astronauts Jeanette Epps, Tracy C. Dyson, and Loral O’Hara, and Belarus spaceflight participant Marina Vasilevskaya.
The Expedition 70 crew wrapped up the work week with space biology and pharmaceutical research continuing the ongoing effort to advance health on Earth and in space. Three crewmates are also beginning to turn their attention toward their departure from the International Space Station and ride back to Earth late next week.
The key objective for conducting science experiments in weightlessness is to discover phenomena impossible to achieve in Earth’s gravity environment. The new insights allow researchers to understand how the human body, both physically and mentally, adapts to living in space. With the ever-growing amount of biomedical data acquired from space, doctors can design and test new therapies to treat space-caused and even Earthbound conditions.
Heart research was on the schedule on Friday as NASA Flight Engineer Matthew Dominick operated the Ultrasound 2 device and scanned the chest of NASA Flight Engineer Mike Barratt. Barratt also wore electrodes, measured his blood pressure, and collected his blood and urine samples for analysis. The cardiac study is part of the CIPHER suite of 14 human research studies, one of which explores cardiovascular health risk in space.
Earlier, Dominick pedaled on an exercise cycle while attached to sensors for the Cardiobreath study that assesses an astronaut’s heart activity, breathing, and blood pressure regulation. Barratt worked in the Harmony module processing protein crystal samples inside a portable glovebag to learn how to generate personalized medicines in space for astronauts.
NASA astronauts Loral O’Hara and Tracy C. Dyson took turns on Friday feeding mice and cleaning their habitat for an investigation testing a gene therapy to improve eye health in space. NASA Flight Engineer Jeanette Epps began her day with Barratt collecting and stowing saliva samples for later analysis. Epps later exercised on the advanced resistive exercise device and treadmill before taking the rest of the day off.
Roscosmos cosmonaut Oleg Novitskiy and Belarus spaceflight participant Marina Vasilevskaya along with O’Hara will return to Earth on April 6 inside the Soyuz MS-24 spacecraft. The trio teamed up Friday afternoon and performed air and pressure leak checks on the Sokol suits they will wear when they parachute to a landing in Kazakhstan inside their Soyuz crew ship.
Cosmonauts Oleg Kononenko and Nikolai Chub will continue their stay aboard the orbital outpost until early fall accumulating just over one year in space. In the meantime, on Friday, the pair explored the biochemistry of the human body in space and how magnetic and electrical fields affect fluid physics. Kononenko also updated Soyuz spacecraft data files while Chub checked the Zvezda service module’s power supply system.
