@nasa
NASA
πŸš€ Explore the universe and our home planet with NASA 🌎 ✨


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The Doctor Is In!⁣⁣
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Astronauta. Ingeniera. Médica. Astronaut. Engineer. Physician. We’re with @nasa_es, our Spanish-language counterpart (¡hola!).⁣⁣
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Dr. Serena Auñón-Chancellor is all these things. A member of the 2009 Astronaut Class, her first trip to space was a stint aboard the International Space Station in 2018. Here she examines her eyes with a fundoscope as part of regular physical checkups on the station.⁣⁣
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Image Credit: NASA⁣⁣
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#HispanicHeritageMonth #NASA #space #ISS #SpaceStation #SerenaAuñónChancellor #Astronaut #Astronauta⁣⁣
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17 hours ago
It’s time to go to class with an astronaut! Astronauts train all over the world, including at @NASAJohnson. Here, they learn not just how to live aboard the @ISS, but also how to conduct science in microgravity. Come along with NASA Explorers as we head to astronaut science training.

#SpaceStation20th #NASAExplorers #Space #astronaut #NASA
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1 day ago
Jupiter’s roses: A cosmic bouquet just for you.⁣

Not actual roses, these are in fact cyclones on Jupiter’s north pole. These swirls of striking colors in this extreme false color are a rendering of an image from our Juno mission. The huge, persistent cyclone found at Jupiter’s north pole is visible at the center of the image, encircled by smaller cyclones that range in size from 2,500 to 2,900 miles (4,000 to 4,600 kilometers). Together, this pattern of storms covers an area that would dwarf the Earth.⁣

Citizen scientist Gerald Eichstädt made this composite image using data obtained by the JunoCam instrument during four of the Juno spacecraft’s close passes by Jupiter, which took place between Feb. 17, 2020, and July 25, 2020. The greatly exaggerated color is partially a result of combining many individual images to create this view.⁣

Image data: NASA/JPL-Caltech/SwRI/MSSS⁣
Image processing by Gerald Eichstädt⁣

#NASA #Citizenscientist #Jupiter #JunoCam #Roses #Space #Cyclones⁣
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4 days ago
Gazing into the blue, blue eyes of the universe. ⁣

Humanity has "eyes" that can detect all different types of light through telescopes around the globe and a fleet of observatories in space. From radio waves to gamma rays, this "multiwavelength" approach to astronomy is crucial to getting a complete understanding of objects in space.⁣

This is galaxy cluster Abell 2744. Galaxy clusters are the largest objects in the universe held together by gravity, temperatures of tens of millions of degrees, which glow brightly in X-rays, and can be observed across millions of light years between the galaxies. This image combines X-rays from the Chandra X-Ray Observatory (diffuse blue emission) with optical light data from the Hubble Space Telescope (red, green, and blue).⁣

Image Credit: NASA/CXC; Optical: NASA/STSci⁣

#NASA #Eyes #Light #Gravity #Galaxyclusters #Space #Universe
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5 days ago
πŸ”΅ Three reasons why you should love Enceladus:⁣

🧊 It’s icy⁣
🧊 It’s one of Saturn’s moons ⁣
🧊 Moms love it⁣

Scientists used data gathered by the Cassini spacecraft to make detailed composite images of Enceladus, showing fresh ice deposited onto its surface.⁣

These images in infrared – a light wavelength that’s undetectable to the unaided eye – show us that fresh ice is being deposited onto the snowball moon’s surface from an ocean that lies beneath the crust. The red tiger stripes are actually gashes where icy material blasts up into space and falls back down. This frigid moon likely has heated oceans that have the potential for holding conditions suitable for life. That’s yet another reason to love Enceladus.⁣

Image Credit: NASA/JPL-Caltech/University of Arizona/LPG/CNRS/University of Nantes/Space Science Institute⁣

#Enceladus #Brrr #IcyMoons #OceanWorlds #NASA
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7 days ago
🏠 What a lovely home you have.⁣

Everything matches. The deep blues and bright turquoises surrounding Cuba, The Bahamas, and southern Florida complement each other so well. One of our astronauts captured it beautifully for you in this image taken from the International Space Station's (@iss) cupola.⁣

Great aesthetic. Keep it up.⁣

Credit: NASA⁣

#ExteriorDesign #HomeSweetHome #NASA #HeartEyes #SkyHigh
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8 days ago
Looking for a dramatic story? πŸ‘€ You might want to redirect your attention from Hollywood’s stars to the real thing. From birth to death, these burning spheres of gas experience some of the most extreme conditions our cosmos has to offer. All stars are born in clouds of dust and gas. In these stellar nurseries, clumps of gas form, pulling in more and more mass as time passes. As they grow, these clumps start to spin and heat up. Once they get heavy and hot enough (like, 27 million degrees Fahrenheit or 15 million degrees Celsius), nuclear fusion starts in their cores. This process occurs when protons, the nuclei of hydrogen atoms, squish together to form helium nuclei. This releases a lot of energy, which heats the star and pushes against the force of its gravity. A star is born. Credit: NASA/@NASASolarSystem #Stars #Dramatic #SayWhat #NASA #Astronomy #StarSuff
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9 days ago
A new portrait of Jupiter's storms πŸŒ€ 406 million miles from Earth, Jupiter is captured by our @NASAHubble Space Telescope, with the Great Red Spot visible as it plows through clouds. Researchers say the Great Red Spot measures about 9,800 miles across, big enough to swallow the Earth. A unique and exciting detail of Hubble’s snapshot appears at mid-northern latitudes: a bright, white, stretched-out storm traveling around the planet at 350 mph (560 km/h). While it’s normal for storms to pop up in this region every six years or so, the timing of Hubble's observations on Aug. 25, 2020, allowed for a perfect showing of the structure. Visible on the far left is Jupiter’s icy moon Europa. Credit: NASA, @EuropeanSpaceAgency, STScI, A. Simon (Goddard Space Flight Center), M.H. Wong (University of California, Berkeley), and the OPAL team #NASA #Hubble #Jupiter #Storms #Europa #Planets
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12 days ago
Things behave a bit differently aboard the @ISS. ⁣⁣
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Sure, floating looks fun, but microgravity could also unlock new scientific discoveries.⁣⁣
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Microgravity makes the station the perfect place to perform research that is changing the lives of people on Earth, and preparing us to go deeper into space. ⁣⁣
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Over the next few weeks, we're taking you behind the scenes as we follow a team of scientists as they launch their research off our planet to the space station.⁣⁣
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Stay tuned for future episodes of our weekly series NASA Explorers: Microgravity IGTV. πŸ“Ί⁣⁣
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Credit: NASA/ISS Research ⁣⁣
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#SpaceStation20th #Space #SpaceStation #NASA #Science #Research #NASAExplorers
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13 days ago
🌞 It’s the circus of the Sun.⁣⁣
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Today, scientists confirmed that a new solar cycle is underway, meaning that we expect solar activity start to ramp up over the next several years.⁣⁣
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As this split image shows, our Sun goes through natural cycles. During solar maximum (left), it's freckled with sunspots, and its magnetic field, which drives solar activity, is taut and tangled. During solar minimum (right), sunspots are few and far between, and the Sun’s magnetic field is ordered and relaxed.⁣⁣
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Understanding the Sun’s behavior is an important part of life in our solar system. The Sun's powerful outbursts can disturb the satellites and communications signals traveling around Earth, or one day, Artemis astronauts exploring distant worlds. NASA and National Oceanic and Atmospheric Administration (@noaa) scientists study the solar cycle so we can better predict solar activity.⁣⁣

Credit: NASA/SDO⁣
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#NASA #Sun #Heliophysics #Solar #Sunspots #SpaceWeather
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14 days ago
Our Curiosity rover spots a “dust devil” on Mars πŸ’¨⁣

Mars is often a very dynamic place, due to its atmosphere and how it interacts with the surface. Right now, it's the “windy season” in the region where our Curiosity rover is operating. On Aug. 9, one of the rover's navigation cameras captured the frames in this animation showing a spinning, columnar vortex of wind - also known as a "dust devil" - moving across the landscape.⁣

This dust devil appears to be passing through small hills just above Curiosity's present location on Mount Sharp, a peak within Gale Crater. The dust devil is approximately one-third to a half-mile (half-a-kilometer to a kilometer) away, and estimated to be about 16 feet (5 meters) wide. The dust plume disappears past the top of the frame, so an exact height can't be known, but it's estimated to be at least 164 feet (50 meters) tall.⁣

Credit: NASA/JPL-Caltech/SSI⁣

#Mars #Dust #NASA #Winds #SolarSystem
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17 days ago
A pocketful of stars ✨⁣

This image from our @NASAHubble Space Telescope shows globular cluster NGC 1805, located near the edge of the Large Magellanic Cloud, a satellite galaxy of our own Milky Way. In its center, thousands of stars are packed 100 to 1,000 times closer to one another than the nearest stars are to our Sun. ⁣

The striking difference in star colors is illustrated in the image, which combines different types of light: blue stars, shining brightest in near-ultraviolet light, and red stars, illuminated in red and near-infrared. ⁣

Caption: @EuropeanSpaceAgency
Credit: ESA/Hubble & NASA, J. Kalirai⁣

#NASA #Hubble #Stars #Sparkles #Universe
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18 days ago
Wildfires are burning in the western United States. ⁣

Our Earth Polychromatic Imaging Camera (EPIC) aboard the @NOAA DSCOVR satellite acquired this image on Sept. 9, 2020, showing large areas of Oregon, California, and the northeastern Pacific Ocean obscured by smoke. The smoke was so thick and widespread that it was easily visible from 1.5 million kilometers (1 million miles) away from Earth.⁣

Credit: NASA Earth Observatory image by Lauren Dauphin, using MODIS data from NASA EOSDIS/LANCE and GIBS/Worldview and data from DSCOVR EPIC⁣
Caption: Adam Voiland⁣

#NASA #NOAA #Earth #Wildfires
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19 days ago
Labor Day reflections.

In this image, the Nancy Grace Roman Space Telescope’s primary mirror reflects an American flag hanging overhead.⁣

The mirror, which will collect and focus light from cosmic objects near and far, has been completed. Renamed after our first chief astronomer and "Mother of Hubble," the Roman Space Telescope will capture stunning space vistas with a field of view 100 times greater than Hubble Space Telescope images. The spacecraft will study the universe using infrared light, which human eyes can’t detect without assistance. ⁣

This Labor Day, we thank all the people who work to advance the future for humanity.⁣

Credit: L3Harris Technologies⁣

#LaborDay #NASA #reflections #mirrors #astronomy
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22 days ago
Point of view is everything. ⁣

Galaxy NGC 2188 is a barred spiral, but as this @NASAHubble Space Telescope image shows, only its very narrow outer edge is visible to us on Earth. The center and spiral arms of the galaxy are tilted away from us, with only the very narrow outer edge of the galaxy’s disk visible to us. Astronomers liken this occurrence to turning a dinner plate in your hands so you see only its outer edge. The true shape of the galaxy was identified by studying the distribution of the stars in the inner central bulge and outer disk and by observing the stars’ colors.⁣

NGC 2188 is estimated to be just half the size of our Milky Way, at 50,000 light-years across, and it is situated in the constellation of Columba (the Dove). ⁣

Caption: @EuropeanSpaceAgency (ESA)⁣
Credit: ESA/Hubble & NASA, R. Tully⁣

#NASA #Hubble #Galaxy #Perspective #Universe
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23 days ago
Let’s talk about microgravity! ⁣

The International Space Station (@ISS), a laboratory like no other, offers something we can’t get on our home planet: Microgravity. Join our #NASAExplorers as we follow a team of scientists during their journey to launch their research to the space station, and discover what a microgravity environment may reveal.⁣

Starting next week, we will be releasing episodes of the NASA Explorers: Microgravity series on IGTV as our countdown begins to the 20th anniversary of humans continuously living in space. So, mark your calendars for November 2 to celebrate #SpaceStation20th with us! ⁣

Credit: NASA⁣

#Microgravity #Floating #NASA #SpaceStation #DayInTheLife
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25 days ago
Observing our universe in different kinds of light 🌌⁣

Each of these images combines data from our @NASAChandraXray observatory with data from other missions. This "multiwavelength" approach to astronomy helps us get a more complete understanding of objects in space. ⁣

1. This Helix Nebula image contains infrared data from our Spitzer Space Telescope (green and red), optical light from our @NASAHubble Space Telescope (orange and blue), ultraviolet from ours Galaxy Evolution Explorer (cyan), and Chandra's X-rays (appearing as white) showing the white dwarf star that formed in the center of the nebula. The image is about four light years across.⁣

Credit: X-ray: NASA/CXC; Ultraviolet: NASA/JPL-Caltech/SSC; Optical: NASA/STScI(M. Meixner)/ESA/NRAO(T.A. Rector); Infrared: NASA/JPL-Caltech/K. Su)⁣

2. The Cartwheel Galaxy resembles a bull's eye, which is appropriate because its appearance is partly due to a smaller galaxy that passed through the middle of this object. X-rays from Chandra (purple) show disturbed hot gas initially hosted by the Cartwheel galaxy being dragged over more than 150,000 light years by the collision. Optical data from Hubble (red, green, and blue) show where this collision may have triggered the star formation.⁣

Credit: X-ray: NASA/CXC; Optical: NASA/STScI)⁣

3. Eta Carinae is a volatile system containing two massive stars that closely orbit each other. This image has three types of light: optical data from Hubble (appearing as white), ultraviolet (cyan) from Hubble, and X-rays from Chandra (appearing as purple emission).⁣

Credit: NASA/CXC; Ultraviolet/Optical: NASA/STScI; Combined Image: NASA/ESA/N. Smith (University of Arizona), J. Morese (BoldlyGo Instituts) and A. Pagan)⁣

4. Supernova 1987A (SN 1987A) in the Large Magellanic Cloud was one of the brightest supernova explosions in centuries. The Chandra data (blue) show the location of the supernova's shock wave interacting with the surrounding material about four light years from the original explosion point. Optical data from Hubble (orange and red) also shows evidence for this interaction in the ring.⁣

Credit: Radio: ALMA (ESO/NAOJ/NRAO), P. Cigan and R. Indebetouw; NRAO/
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26 days ago
πŸ”₯ FIRE πŸ”₯⁣

What you're looking at is a rocket booster test for our Space Launch System (SLS) rocket that will power the first Artemis missions to the Moon! SLS's two boosters are the largest, most powerful boosters ever built for flight. ⁣

For a little over two minutes — the same amount of time that the boosters power the SLS rocket during liftoff and flight for each Artemis mission — the five-segment flight support booster fired in the Utah desert, producing more than 3 million pounds of thrust. ⁣

Together with @NorthropGrumman, we will use data from this test to evaluate the motor's performance using potential new materials and processes that can be incorporated into future boosters.⁣

Credit: NASA⁣

#Rocket #Artemis #NASA #SLS #TurnItUp
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27 days ago
The Moon appears near different planets as it moves through its phases, and we can a see a star that had a planet . . . or so we thought.
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28 days ago
Do you ever feel like a cloud? Calm? Ominous? A little fluffy? ☁️ ⁣

The crew aboard the International Space Station (@iss) caught this glimpse of a sunrise casting long shadows over a cloudy Philippine Sea as the orbiting laboratory coasted over the Philippines, northeast of Manila. You can see a combination of low-level and high-level clouds, including towering ones that likely produce replenishing rains that keep our planet nourished and beautiful. Maybe you’re like one of those clouds.⁣

Maybe you nurture those around you. Or maybe you prefer to throw shade. Whatever the case, you are unique – just like a cloud.⁣

Credit: NASA⁣

#clouds #EarthFromSpace #CloudsOfInstagram #nasa #Philippines
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29 days ago