Welcome Home HERA Mission XVII!
Welcome Home HERA Mission XVII!
With the Human Exploration Research Analog (HERA) habitat, we complete studies to prepare us for exploration to asteroids, Mars, and the Moon… here on Earth! The studies are called analogs, and they simulate space missions to study how different aspects of deep space affect humans. During a HERA mission, the crew (i.e., the research participants) live and work very much as astronauts do, with minimal contact with anyone other than Mission Control for 45 days.
The most recent study, Mission XVII, just “returned to Earth” on June 18. (i.e., the participants egressed, or exited the habitat at our Johnson Space Center in Houston after their 45-day study.) We talked with the crew, Ellie, Will, Chi, and Michael, about the experience. Here are some highlights!
Why did you decide to participate in HERA Mission XVII?
HERA Mission VXII participants (from left to right) Ellie, Will, Chi, and Michael.
“My master’s is in human factors,” said Chi, who studies the interaction between humans and other systems at Embry-Riddle Aeronautical University. “I figured this would be a cool way to study the other side of the table and actually participate in an analog.” For Michael, who holds a PhD in aerospace engineering and researches immunology and radio biology, it was an opportunity to experience life as an astronaut doing science in space. “I’ve flown [experiments] on the space station and shuttle,” he said. “Now I wanted to see the other side.” For Will, a geosciences PhD, it provided an opportunity to contribute to space exploration and neuroscience, which he considers two of the biggest fields with the most potential in science. “Here, we have this project that is the perfect intersection of those two things,” he said. And Ellie, a pilot in the Air Force, learned about HERA while working on her master’s thesis on Earth and space analogs and how to improve them for deep-space studies. “A lot of my interests are similar to Chi’s,” she said. “Human factors and physiological aspects are things that I find very fascinating.”
NASA missions all have patches, and HERA Mission XVII is no different. Did you get to design your patch?
HERA Mission VXII patch, which reads “May the Force be with you” in Latin and features Star Wars iconography. It’s a reference to the mission’s start date, May 4th aka Star Wars Day!
“We did!” They said …with a little the help from Michael’s brother, who is a designer. He drew several different designs based on the crew’s ideas. They picked one and worked together on tweaks. “We knew we were going [inside the habitat] on May Fourth,” Michael said. “We knew it would be Star Wars Day. So we did a Star Wars theme.” The patch had to come together fairly quickly though, since a Star Wars Day “launch” wasn’t the initial plan. “We were supposed to start two weeks earlier,” Ellie said. “It just so happened the new start date was May the Fourth!” Along with the Star Wars imagery, the patch includes a hurricane symbol, to pay tribute to hurricane Harvey which caused a previous crew to end their mission early, and an image of the HERA habitat. Will joked that designing the patch was “our first team task.”
How much free time did you have and what did you do with it?
HERA Mission XVII crew looking down the ladders inside the habitat.
“It was a decent amount,” Michael said. “I could have used more on the harder days, but in a way it’s good we didn’t have more because it’s harder to stay awake when you have nothing to do.” (The mission included a sleep reduction study, which meant the crew only got five hours of sleep a night five days a week.) “With the time I did have, I read a lot,” he said. He also drew, kept a journal, and “wrote bad haikus.” Because of the sleep study, Ellie didn’t read as much. “For me, had I tried to read or sit and do anything not interactive, I would have fallen asleep,” she said.
The crew’s art gallery, where they hung drawing and haikus they wrote.
Journaling and drawing were popular ways to pass the time. “We developed a crew art gallery on one of the walls,” Will said. They also played board games—in particular a game where you score points by making words with lettered tiles on a 15×15 grid. (Yes that one!) “Playing [that game] with two scientists wasn’t always fun though,” Ellie joked, referencing some of the more obscure vocabulary words Will and Michael had at the ready. “I was like, ‘What does that word mean?’ ‘Well that word means lava flow,” she said laughing. (The rest of the crew assured us she fared just fine.)
Chi tried reading, but found it difficult due to the dimmed lights that were part of an onboard light study. She took on a side project instead: 1000 paper cranes. “There is a story in Japan—I’m half Japanese—that if you make a 1000 cranes, it’s supposed to grant you a wish,” she said. She gave hers to her grandmother.
The whole crew having dinner together on “Sophisticated Saturdays!” From left to right: Will, Ellie, Chi, and Michael. They’re wearing their Saturday best, which includes the usual research equipment.
On weekends, the crew got eight hours of sleep, which they celebrated with “Sophisticated Saturdays!” “Coming in, we all brought an outfit that was a little fancy,” Ellie said. (Like a tie, a vest, an athletic dress—that kind of thing.) “We would only put it on Saturday evenings, and we’d have dinner on the first level at the one and only table we could all sit at and face each other,” she said. “We would pretend it was a different fancy restaurant every week.”
The table set for a “civilized” Saturday dinner. Once the crew’s hydroponics grew, they were able to add some greenery to the table.
“It was a way to feel more civilized,” Will said, who then offered another great use of their free time: establishing good habits. “I would use the free time to journal, for example. I’d just keep it up every day. That and stretching. Hydrating. Flossing.”
Like real astronauts, you were in contact with Mission Control and further monitored by HERA personnel. Was it weird being on camera all the time?
HERA personnel and the monitors they use for a typical HERA mission.
“I was always aware of it,” Michael said, “but I don’t think it changed my behavior. It’s not like I forgot about it. It was always there. I just wasn’t willing to live paranoid for 45 days.” Ellie agreed. “It was always in the back of my mind,” she said, further adding that they wore microphones and various other sensors. “We were wired all the time,” she said.
After the study, the crew met up with the people facilitating the experiments, sometimes for the first time. “It was really fun to meet Mission Control afterwards,” Will said. “They had just been this voice coming from the little boxes. It was great getting to meet them and put faces to the voices,” he said. “Of course, they knew us well. Very well.”
For more information on HERA, visit our analogs homepage.
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Another Station Upgrade:
Spacewalkers Jeff Williams and Kate Rubins to install new TV cameras
On Thursday, Sept. 1, U.S. astronauts Jeff Williams and Kate Rubins will conduct the station’s 195th American spacewalk. As part of their activities, the pair will install the first of several enhanced high-definition television cameras that will monitor activities outside the station, including the comings and goings of visiting cargo and crew vehicles
Working on the station’s backbone, or truss, Williams and Rubins will retract a thermal radiator that is part of the station’s cooling system.
As was the case for their first spacewalk together on Aug. 19, Williams will be designated as extravehicular crew member 1 (EV1), wearing a spacesuit with a red stripe, while Rubins will be EV2, wearing a suit with no stripes.
Watch LIVE!
Coverage of the spacewalk begins at 6:30 a.m. EDT on Thursday, Sept. 1; with the spacewalk scheduled to begin at 8:05 a.m. EDT. Stream live online HERE.
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Perfect 10: A Decade of Studying Ice from the Sky
From 2009 through 2019, our Operation IceBridge flew planes above the Arctic, Antarctic and Alaska, measuring the height, depth, thickness, flow and change of sea ice, glaciers and ice sheets.
IceBridge was designed to “bridge” the years between NASA’s two Ice, Cloud, and land Elevation Satellites, ICESat and ICESat-2. IceBridge made its final polar flight in November 2019, one year after ICESat-2’s successful launch.
A lot of amazing science happens in a decade of fundamentally changing the way we see ice. Here, in chronological order, are 10 of IceBridge’s most significant and exciting achievements.
2009: Go for launch
The first ICESat monitored ice, clouds, atmospheric particles and vegetation globally beginning in 2003. As ICESat neared the end of its life, we made plans to keep measuring ice elevation with aircraft until ICESat-2’s launch.
ICESat finished its service in August 2009, leaving IceBridge in charge of polar ice tracking for the next decade.
2009: Snow on sea ice
To measure how thick sea ice is, we first have to know how much snow is accumulated on top of the ice. Using a snow radar instrument, IceBridge gathered the first widespread data set of snow thickness on top of both Arctic and Antarctic sea ice.
2009: Getting to the bottom of glaciers
IceBridge mapped hundreds of miles of grounding lines in both Antarctica and Greenland. Grounding lines are where a glacier’s bottom loses contact with the bedrock and begins floating on seawater – a grounding line that is higher than rock that the ice behind it is resting on increases the possibility of glaciers retreating in the future.
The team mapped 200 glaciers along Greenland’s coastal areas, as well as coastal areas, the interior of the Greenland Ice Sheet and high-priority areas in Antarctica.
2011: Spotting cracks in the ice
While flying Antarctica in 2011, IceBridge scientists spotted a massive crack in Pine Island Glacier, one of the fastest-changing glaciers on the continent. The crack produced a new iceberg that October.
Pine Island has grown thinner and more unstable in recent decades, spawning new icebergs almost every year. IceBridge watched for cracks that could lead to icebergs and mapped features like the deep water channel underneath Pine Island Glacier, which may bring warm water to its underside and make it melt faster.
2013: Making a map of rock
Using surface elevation, ice thickness and bedrock topography data from ICESat, IceBridge and international partners, the British Antarctic Survey created an updated map of the bedrock beneath Antarctic ice.
Taking gravity and magnetic measurements helps scientists understand what kind of rock lies below the ice sheet. Soft rock and meltwater make ice flow faster, while hard rock makes it harder for the ice to flow quickly.
2013: Surprises under the ice
IceBridge’s airborne radar data helped map the bedrock underneath the Greenland Ice Sheet, revealing a previously unknown canyon more than 400 miles long and up to a half mile deep slicing through the northern half of the country.
The “grand canyon” of Greenland may have once been a river system, and today likely transports meltwater from Greenland’s interior to the Arctic Ocean.
2015: It’s what’s inside (the ice sheet) that counts
After mapping the bedrock under the Greenland Ice Sheet, scientists turned their attention to the middle layers of the ice. Using both ice-penetrating radar and ice samples taken in the field, IceBridge created the first map of the ice sheet’s many layers, formed as thousands of years of snow became compacted downward and formed ice.
Making the 3D map of Greenland’s ice layers gave us clues as to how the ice sheet has warmed in the past, and where it may be frozen to bedrock or slowly melting instead.
2018: Gap bridged!
ICESat-2 launched on September 15, 2018, rocketing IceBridge into the final phase of its mission: Connecting ICESat and ICESat-2.
IceBridge continued flying after ICESat-2’s launch, working to verify the new satellite’s measurements. By conducting precise underflights, where planes traced the satellite’s orbit lines and took the same measurements at nearly the same time, the science teams could compare results and make sure ICESat-2’s instruments were functioning properly.
2018: An impact crater under the ice
Using IceBridge data, an international team of scientists found an impact crater from a meteor thousands of years in the past. The crater is larger than the city of Washington, D.C., likely created by a meteor more than half a mile wide.
2019: Flying into the sunset
In 2019, IceBridge continued flying in support of ICESat-2 for its Arctic and Antarctic campaigns. The hundreds of terabytes of data the team collected over the decade will fuel science for years to come.
IceBridge finished its last polar flight on November 20, 2019. The team will complete one more set of Alaska flights in 2020.
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An Addition to our Space Rock Collection
On October 20th, our OSIRIS-REx mission will make its first attempt to collect and retrieve a sample of asteroid Bennu, a near-Earth asteroid. On sample collection day, Bennu will be over 200 million miles away from Earth.
Asteroids are the building blocks of our solar system. A sample of this ancient material can tell us about the history of our planet and the origins of life. Science results published from the mission on October 8th confirm that Bennu contains carbon in a form often found in biology or in compounds associated with biology.
To collect a sample, OSIRIS-REx will attempt a method NASA has never used before – called Touch-And-Go (TAG). First, the spacecraft extends its robotic sampling arm, the Touch-And-Go Sample Acquisition Mechanism (TAGSAM) – from its folded storage position. The spacecraft’s two solar panels then move into a “Y-wing” configuration over the spacecraft’s body, which positions them safely up and away from the asteroid’s surface during touch down. This configuration also places the spacecraft’s center of gravity directly over the TAGSAM collector head, which is the only part of the spacecraft that will contact Bennu’s surface.
Finding a safe sample collection site on Bennu’s rocky landscape was a challenge. During the sampling event, the spacecraft, which is the size of a large van, will attempt to touch down in an area that is only the size of a few parking spaces, and just a few steps away from enormous boulders.
The spacecraft will only make contact with Bennu for a matter of seconds - just long enough to blow nitrogen gas onto the surface to roil up dust and small pebbles, which will then be captured for a return to Earth.
We need to conduct a few tests before we can confirm we collected a large enough sample (about 2 oz). First, OSIRIS-REx will take images of the collector head to see if it contains rocks and dust. Second, the spacecraft will spin with the TAGSAM extended to determine the mass of collected material. If these measures show a successful collection, we will stow the sample for return to Earth. If sufficient sample has not been collected, the spacecraft has onboard nitrogen charges for two more attempts. The next TAG attempt would be made no earlier than January 2021.
Despite the many challenges, the OSIRIS-REx team is ready. They’ve practiced and prepared for this moment.
Join in with #ToBennuAndBack and tune in on October 20th.
Learn more about the OSIRIS-REx countdown to TAG HERE.
Learn more about the OSIRIS-REx mission HERE, or follow the mission on Facebook, Twitter and Instagram.
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Going for GOLD
On Jan. 25, we’re going for GOLD!
We’re launching an instrument called Global-scale Observations of the Limb and Disk, GOLD for short. It’s a new mission that will study a complicated — and not yet fully understood — region of near-Earth space, called the ionosphere.
Space is not completely empty: It’s teeming with fast-moving energized particles and electric and magnetic fields that guide their motion. At the boundary between Earth’s atmosphere and space, these particles and fields — the ionosphere — co-exist with the upper reaches of the neutral atmosphere.
That makes this a complicated place. Big events in the lower atmosphere, like hurricanes or tsunamis, can create waves that travel all the way up to that interface to space, changing the wind patterns and causing disruptions.
It’s also affected by space weather. The Sun is a dynamic star, and it releases spurts of energized particles and blasts of solar material carrying electric and magnetic fields that travel out through the solar system. Depending on their direction, these bursts have the potential to disrupt space near Earth.
This combination of factors makes it hard to predict changes in the ionosphere — and that can have a big impact. Communications signals, like radio waves and signals that make our GPS systems work, travel through this region, and sudden changes can distort them or even cut them off completely.
Low-Earth orbiting satellites — including the International Space Station — also fly through the ionosphere, so understanding how it fluctuates is important for protecting these satellites and astronauts.
GOLD is a spectrograph, an instrument that breaks light down into its component wavelengths, measuring their intensities. Breaking light up like this helps scientists see the behavior of individual chemical elements — for instance, separating the amount of oxygen versus nitrogen. GOLD sees in far ultraviolet light, a type of light that’s invisible to our eyes.
GOLD is a hosted payload. The instrument is hitching a ride aboard SES-14, a commercial communications satellite built by Airbus for SES Government Solutions, which owns and operates the satellite.
Also launching this year is the Ionospheric Connection Explorer, or ICON, which will also study the ionosphere and neutral upper atmosphere. But while GOLD will fly in geostationary orbit some 22,000 miles above the Western Hemisphere, ICON will fly just 350 miles above Earth, able to gather close up images of this region.
Together, these missions give us an unprecedented look at the ionosphere and upper atmosphere, helping us understand the very nature of how our planet interacts with space.
To learn more about this region of space and the GOLD mission, visit: nasa.gov/gold.
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What are you most excited for in 2020?
9 Out-of-This-World Moments for Space Communications & Navigation in 2023
How do astronauts and spacecraft communicate with Earth?
By using relay satellites and giant antennas around the globe! These tools are crucial to NASA’s space communications networks: the Near Space Network and the Deep Space Network, which bring back science and exploration data every day.
It’s been a great year for our space communications and navigation community, who work to maintain the networks and enhance NASA’s capabilities. Keep scrolling to learn more about our top nine moments.
The SpaceX Falcon 9 rocket carrying the Dragon spacecraft lifts off from Launch Complex 39A at NASA's Kennedy Space Center in Florida on Thursday, Nov. 9, 2023, on the company's 29th commercial resupply services mission for the agency to the International Space Station. Liftoff was at 8:28 p.m. EST.
1. In November, we launched a laser communications payload, known as ILLUMA-T, to the International Space Station. Now, ILLUMA-T and the Laser Communications Relay Demonstration (LCRD) are exchanging data and officially complete NASA’s first two-way, end-to-end laser relay system. Laser communications can send more data at once than traditional radio wave systems – think upgrading from dial-up to fiber optic internet. ILLUMA-T and LCRD are chatting at 1.2 gigabits per second (Gbps). At that rate, you could download an average movie in under a minute.
NASA’s InSight lander captured this selfie on Mars on April 24, 2022, the 1,211th Martian day, or sol, of the mission.
2. Data analyzed in 2023 from NASA’s retired InSight Mars lander provided new details about how fast the Red Planet rotates and how much it wobbles. Scientists leveraged InSight’s advanced radio technology, upgrades to the Deep Space Network, and radio signals to determine that Mars’ spin rate is increasing, while making the most precise measurements ever of Mars’ rotation.
TBIRD is demonstrating a direct-to-Earth laser communications link from low Earth orbit to a ground station on Earth.
3. We set a new high record! The TeraByte InfraRed Delivery (TBIRD) payload – also demonstrating laser communications like ILLUMA-T and LCRD – downlinked 4.8 terabytes of data at 200 Gbps in a single 5-minute pass. This is the highest data rate ever achieved by laser communications technology. To put it in perspective a single terabyte is the equivalent of about 500 hours of high-definition video.
A 34-meter (112-foot) wide antenna at Canberra Deep Space Communications Complex near Canberra, Australia.
4. This year we celebrated the Deep Space Network’s 60th anniversary. This international array of antennas located at three complexes in California, Spain, and Australia allow us to communicate with spacecraft at the Moon and beyond. Learn more about the Deep Space Network’s legacy and future advancements.
An illustration of the LunaNet architecture. LunaNet will bring internet-like services to the Moon.
5. We are bringing humans to the Moon with Artemis missions. During expeditions, astronauts exploring the surface are going to need internet-like capabilities to talk to mission control, understand their routes, and ensure overall safety. The space comm and nav group is working with international partners and commercial companies to develop LunaNet, and in 2023, the team released Draft LunaNet Specification Version 5, furthering development.
The High-Rate Delay Tolerant Networking node launched to the International Space Station in November and will act as a high-speed path for data.
6. In addition to laser communications, ILLUMA-T on the International Space Station is also demonstrating high-rate delay/disruption tolerant networking (HDTN). The networking node is showcasing a high-speed data path and a store-and-forward technique. HDTN ensures data reaches its final destination and isn’t lost on its path due to a disruption or delay, which are frequent in the space environment.
The Communications Services Project (CSP) partners with commercial industry to provide networking options for future spaceflight missions.
7. The space comm and nav team is embracing the growing aerospace industry by partnering with commercial companies to provide multiple networking options for science and exploration missions. Throughout 2023, our commercialization groups engaged with over 110 companies through events, one-on-one meetings, forums, conferences, and more. Over the next decade, NASA plans to transition near-Earth services from government assets to commercial infrastructure.
Middle and high school students solve a coding experiment during NASA's Office of STEM Engagement App Development Challenge.
8. Every year, NASA’s Office of STEM Engagement sponsors the App Development Challenge, wherein middle and high school students must solve a coding challenge. This year, student groups coded an application to visualize the Moon’s South Pole region and display information for navigating the Moon’s surface. Our space communications and navigation experts judged and interviewed students about their projects and the top teams visited NASA’s Johnson Space Center in Houston!
A SpaceX Falcon 9 rocket soars upward after liftoff at the pad at 3:27 a.m. EDT on Saturday, Aug. 26, from Kennedy Space Center’s Launch Complex 39A in Florida carrying NASA’s SpaceX Crew-7 crew members to the International Space Station. Aboard SpaceX’s Dragon spacecraft are NASA astronaut Jasmin Moghbeli, ESA (European Space Agency) astronaut Andreas Mogensen, JAXA (Japan Aerospace Exploration Agency) astronaut Satoshi Furukawa, and Roscosmos cosmonaut Konstantin Borisov.
9. The Near Space Network supported 19 launches in 2023! Launches included Commercial Crew flights to the International Space Station, science mission launches like XRISM and the SuperBIT balloon, and many more. Once in orbit, these satellites use Near Space Network antennas and relays to send their critical data to Earth. In 2023, the Near Space Network provided over 10 million minutes of communications support to missions in space.
Here’s to another year connecting Earth and space.
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Science Coming Soon to a Space Station Near You
Dozens of science experiments will soon make their red carpet debuts on the International Space Station. They will arrive courtesy of a Dragon cargo spacecraft launched from Cape Canaveral Air Force Station in Florida. The starring players include investigations into 3D printing organ tissue, breaking up rocks and building bones.
Meet some of the experiments blasting off that could lead to the development of new technologies as well as improve life on Earth.
Grab yourself an (organ) tissue
Scientists and medical professionals have long dreamed of the day 3D printers can be used to create useable human organs. But pesky gravity seems to always get in the way.
Enter microgravity. The new BioFabrication Facility (BFF) will provide a platform to attempt the creation of this organ tissue on the space station, a potential first step towards creating entire human organs in space.
Put down your pickaxe and pick up some microbes
Extracting minerals from rocks doesn’t always require brute force. Microbes can be deployed for the same purpose in a process called bio-mining. While common on Earth, the method still needs to be explored in space to see if it can eventually help explorers on the Moon and Mars. The BioRock investigation will examine the interactions between microbes and rocks and see if microgravity could limit the use of bio-mining by restricting bacterial growth.
Keep rolling along
Goodyear Tire will investigate if microgravity can help improve the silica design process, silica rubber formation and tire manufacturing. This investigation could lead to improvements like better tire performance and increased fuel efficiency, putting a bit of cash back in your pocket.
When space gets on our nerves
Meet microglia: a type of immune defense cell found in the central nervous system. Better understanding nerve cells and their behavior in microgravity is crucial to protecting astronaut health.
The Space Tango-Induced Pluripotent Stem Cells experiment will convert induced pluripotent stem cells (iPSCs) derived from patients with Parkinson’s and Multiple Sclerosis into different types of brain cells. Researchers will examine two things:
How microglial cells grow and move
Changes in gene expression in microgravity
Studying this process in microgravity could reveal mechanisms not previously understood and could lead to improved prevention and treatments for the diseases.
Space moss!
Moss, the tiny plants you see covering rocks and trees in the woods, change how they behave once the gravity in their environment changes. Space Moss compares the mosses grown aboard the space station with your typical run-of-the-mill Earth-bound moss.
This investigation will let researchers see how moss behavior in space could allow it to serve as a source of food and oxygen on future Moon or Mars bases.
A smooth connection
Docking with the space station requires physical points for connections, and International Docking Adapters (IDAs) are providing a more sophisticated way of doing so.
IDA 3 will be attached to the Harmony mode, home to two existing IDAs. This adapter can accommodate commercial crew vehicle dockings, such as the first spacecraft to launch from U.S. soil since the space shuttle.
Building a better bone
The Cell Science-02 investigation will improve our understanding of tissue regeneration and allow us to develop better countermeasures to fight loss of bone density by astronauts.
By examining the effects of microgravity on healing agents, this investigation may be able to assist people on Earth being treated for serious wounds or osteoporosis.
Want to learn about more investigations heading to the space station (or even ones currently under way)? Make sure to follow @ISS_Research on Twitter and Space Station Research and Technology News on Facebook.
If you want to see the International Space Station with your own eyes, check out Spot the Station to see it pass over your town.
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Are you scared about going up into space?
I’m not scared, but I have a healthy amount of nervousness because I don’t know exactly what to expect. I have a lot of great advice, but you don’t know until you actually get there.
The stunning Veil Nebula was created after a star about 20 times the mass of the Sun lived fast and died young – exploding in a cataclysmic release of energy known as a supernova.
In a violent stellar explosion roughly 10,000 years ago, shockwaves and debris created this staggeringly beautiful trail through space. The picture above shows a mosaic of six Hubble Space Telescope pictures, a small area roughly two light-years across, and only a tiny fraction of the nebula's vast 110 light-year structure.
To learn more about Hubble’s celebration of Nebula November and see new nebula images, visit our space telescope's nebula page.
You can also keep up with Hubble on Twitter, Instagram, Facebook, and Flickr!
Image credits: NASA, ESA, and the Hubble Heritage Team (STScI/AURA)
Photos of the eclipse are okay and just as neat to look at? Will NASA post to twitter. Will the Space station take photos also?
Yes, we will be posting a ton of photos and you can add to them as well! https://www.flickr.com/groups/nasa-eclipse2017/ I agree, the photos are incredibly cool!
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