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Explore the universe and our home planet with NASA 🌎 We usually post in EDT.

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Joined December 2007
Born October 1, 1958
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  1. 11 hours ago

    Dark matter to send chills down the spine, a galactic graveyard whose residents decay over time, gamma ray ghouls with beams of doom that blind and gleam... are you ready for ?😈✨ Download our newest posters:

    Posters depict some of the universe's most mysterious astronomical phenomena with artistic flair.
    63 replies 496 retweets 3,254 likes
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  2. 13 hours ago

    🔴 Halfway there! Only 146 million miles to go. Our rover is midway through its cruise to Mars. It's set to land in Jezero Crater on Feb. 18, 2021, to study the planet's geology & past climate and search for signs of ancient microbial life:

    105 replies 663 retweets 4,536 likes
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  3. 13 hours ago

    After capturing more than enough rocks & dust from asteroid Bennu to meet mission requirements, our spacecraft is expediting stowing the material in its Sample Return Capsule:

    0:04
    Right on schedule. This morning I started the sample stow procedure and executed the first set of commands sent by my team. Now, I’m sending images and telemetry back to them so they can decide how to proceed with the next step for stowing the sample.
    Show this thread
    31 replies 217 retweets 2,080 likes
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  4. 15 hours ago

    A team of scientists have discovered a rare carbon-based molecule in the thick atmosphere of Titan, Saturn's largest moon. This intriguing world is the destination of our forthcoming mission:

    Titan and its hydrocarbon lakes as seen through its hazy atmosphere.
    104 replies 687 retweets 5,337 likes
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  5. 16 hours ago

    LIVE: Our has discovered water on the sunlit side of the Moon — but how much? How could it be used by future astronauts? We’re using rovers, spacecraft, telescopes & more in pursuit of answers! Ask our experts anything on :

    Large photograph of Moon
    69 replies 370 retweets 2,756 likes
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  6. Retweeted
    17 hours ago

    Over the past 20 years, more than 3,000 experiments have been conducted on the . These studies have led to numerous discoveries and milestones in science and space. In honor of the , check out 20 of those breakthroughs:

    Station commander Peggy Whitson works on the OsteoOmics bone cell study that uses the Microgravity Science Glovebox. OsteoOmics investigates the molecular mechanisms behind bone loss in microgravity by examining osteoblasts, which form bone, and osteoclasts, which dissolve bone. Credits: NASA
    NASA Astronaut Kate Rubins sequences DNA in space for the first time for the Biomolecule Sequencer investigation using the MinION sequencing device. Credits: NASA
    NASA astronaut Andrew Morgan was the last of 13 research subject volunteers who participated in NASA’s Fluid Shifts study during his mission aboard the International Space Station. More than half of American astronauts on the space station experience structural and functional changes in space to their eyes, likely due to the lack of gravity. In space the shift of fluid in the body upward increases volume and pressure in the head, most noticeably seen as swelling in the retina, a critical part of the visual system. Researchers in NASA’s Human Research Program are studying how the fluid shifts affect vision and the brain, why some astronauts are affected more than others, and what solutions might help.
    Protein crystals formed in microgravity in the space station’s Kibo Module. Credits: JAXA
    , , and 4 others
    15 replies 213 retweets 1,882 likes
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  7. Retweeted
    18 hours ago

    From to the Moon! Today’s agreement formalizes plans for NASA & to join together to build the Gateway and a future of sustainable lunar exploration with the program. Others to join us soon!

    50 replies 256 retweets 2,199 likes
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  8. 20 hours ago

    We’re now targeting Nov. 14 at 7:49pm ET for the liftoff of ’s Crew-1 mission to the . Tune in at 4pm ET Wed., Oct. 28 to hear more about the upcoming launch & recent testing results of the Falcon 9 engines:

    SpaceX Crew-1 astronauts in flight suits pose for group portrait in front of Dragon spacecraft
    89 replies 867 retweets 7,432 likes
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  9. Oct 26

    🌔 ICYMI... using our , we found water on the Moon's sunlit surface for the first time. Scientists think the water could be stored inside glass beadlike structures within the soil that can be smaller than the tip of a pencil. A recap:

    277 replies 2,480 retweets 10,640 likes
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  10. Oct 26

    What's four stories tall, has a sunshield the size of a tennis court, & will seek to answer some of humanity's deepest questions? 🔍✨ In the new episode of our Curious Universe podcast, meet , our cosmic time machine. 🌌 🎧 Listen & subscribe:

    The James Webb Space Telescope will explore every phase of cosmic history: from the formation of the very first galaxies in the early universe to our cosmic backyard of the Solar System. Webb is the largest space telescope NASA has ever built and it is almost ready to make its journey about one million miles from Earth.
    38 replies 147 retweets 1,589 likes
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  11. Retweeted
    Oct 26

    We know there's water on the 🌘 Moon, but how much? And could it be extracted by future astronauts? We’re using rovers, spacecraft, telescopes & more in pursuit of answers! Ask our Moon experts anything during a AMA tomorrow at 10am PT:

    83 replies 452 retweets 3,730 likes
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  12. Oct 26

    One week ahead of schedule & exceeding all expectations, our spacecraft is ready to stow its samples collected from asteroid Bennu! Read more about the latest mission developments :

    60 replies 490 retweets 4,861 likes
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  13. Oct 26

    As the anniversary approaches, the crew aboard our orbiting laboratory, including Kate Rubins of will answer questions live from space on Friday, Oct. 30 at 11:10am ET. How to watch:

    Expedition 64 crew members (from left) NASA astronaut Kate Rubins and Roscosmos cosmonauts Sergey Ryzhikov and Sergey Kud-Sverchkov pose for a crew portrait.
    44 replies 255 retweets 2,863 likes
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  14. Oct 26

    Do you play ? Celebrate the anniversary and reply to the thread below with videos of your recreations. One of our experts may review it during a 'Ask Me Anything' on Nov. 2! 💫

    Calling all Kerbonauts! We’re partnering with to celebrate 20 years of human presence on the . What would 20 years of Kerbal presence look like? Read the thread for details. ⬇️
    Show this thread
    72 replies 356 retweets 3,398 likes
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  15. Oct 26

    💦🌚 Water molecules were found in Clavius Crater, one of the largest craters visible from Earth on the Moon! This discovery from our indicates that water may be distributed across the surface, & not limited to cold, shadowed places. More:

    SOFIA Discovers Water on a Sunlit Surface of the Moon
    345 replies 5,829 retweets 18,916 likes
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  16. Retweeted
    Oct 26

    NEWS: We confirmed water on the sunlit surface of the Moon for the 1st time using . We don’t know yet if we can use it as a resource, but learning about water on the Moon is key for our exploration plans. Join the media telecon at

    884 replies 18,522 retweets 33,676 likes
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  17. Oct 26

    🌙 LIVE: Join us as we unveil the newest discovery about the sunlit surface of our Moon from the world’s largest flying observatory, ! What we learn on & around the Moon will help us take the next giant leap – sending astronauts to Mars:

    Image of full Moon
    108 replies 1,107 retweets 6,900 likes
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  18. Oct 26

    ✨ Happy Monday, skygazers! We’re heading into the week with some fascinating news from about our brilliant beautiful Moon! ☕ Grab your favorite hot beverage & tune in beginning at 12:00pm ET:

    Animation of Moon phases
    103 replies 1,004 retweets 5,943 likes
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  19. Oct 25

    🌊 A pair of galaxies resemble a waterfall in this image. Interacting galaxies influence each other, which may eventually result in a merger or unique formation. Here, stars from one galaxy appear to fall into the other like drops of water:

    Two galaxies in deep space, one appearing narrow like rushing water, the other wide like a pool
    180 replies 1,751 retweets 11,323 likes
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  20. Oct 25

    What do Albert Einstein, GPS, & a pair of stars 200,000 trillion miles away have in common? An effect called the "gravitational redshift” from Einstein’s General Theory of Relativity. Using , astronomers discovered the phenomenon in two stars:

    Red and yellow image of stars circling around each other. It is a graphic of gravitational redshift, where light is shifted to redder colors because of gravity, in two stars 200,000 trillion miles from Earth.
    118 replies 857 retweets 5,921 likes
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