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Joined December 2007
Born October 1, 1958
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  1. Pinned Tweet
    5 hours ago

    Spacewalk officially underway! At 6:15am ET, & Kayla Barron of set their spacesuits to battery power, marking the start of a spacewalk expected to last about 6.5 hours. Watch live & send your questions using :

    75 replies 483 retweets 2,539 likes
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  2. 2 hours ago

    🤩 What a view! catches a ride on the Canadarm2 robotic arm to move around the during today's spacewalk:

    18 replies 269 retweets 2,378 likes
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  3. 4 hours ago

    ✅ Task complete! and Kayla Barron successfully removed a failed S-band antenna from the 's P-1 truss. Next, they'll stow it and retrieve the spare antenna for installation.

    54 replies 259 retweets 2,187 likes
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  4. 6 hours ago

    LIVE SPACEWALK: Watch & Kayla Barron of prepare to exit & work outside the . The spacewalk to replace an antenna system is expected to begin at ~7:10am ET and last ~6.5 hours.

    68 replies 524 retweets 2,486 likes
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  5. 16 hours ago

    Set a reminder to watch on a spacewalk! & Kayla Barron will venture outside the starting at ~7:10am ET (12:10 UTC) to replace an antenna system. How to watch:

    Astronaut portraits of Tom Marshburn and Kayla Barron
    94 replies 362 retweets 3,319 likes
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  6. Retweeted
    19 hours ago

    Check out pictures from the first National Space Council meeting chaired by Harris 📷➡️

    and
    28 replies 99 retweets 1,125 likes
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  7. Retweeted
    19 hours ago

    We had liftoff! 🚀 NASA’s CREX-2 sounding rocket mission launched this morning at 3:25 a.m. EST from the Andøya Space Center in Norway! The mission investigates the polar cusp, a region formed by Earth’s magnetic field. Follow mission updates:

    30 replies 235 retweets 2,087 likes
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  8. 19 hours ago

    What’s it like landing on Mars? Tough! But every time we land, we learn more. When landed on Mars, its temperature & pressure sensors collected critical data about entry & landing conditions. Engineer Alex Scammell explains:

    We Asked a NASA Technologist: What’s it Like Landing on Mars?
    28 replies 141 retweets 1,102 likes
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  9. 22 hours ago

    LIVE NOW: Harris chairs her first National Space Council meeting.

    80 replies 204 retweets 1,576 likes
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  10. Retweeted
    Dec 1

    🌶️ These peppers are breaking records! The longest plant experiment in the history of the ended recently, 137 days after it began. Learn more about the peppers harvested from Plant Habitat-04 & how they added some spice to the orbiting lab:

    68 replies 436 retweets 2,928 likes
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  11. Dec 1

    After it rockets into orbit, our observatory will give us a new look into the universe. Launch is scheduled for 1am EST (06:00 UTC) Thursday, Dec. 9. Join us for the launch on social media—and tune in before for our live pre-launch coverage:

    A visualization of the IXPE observatory: a white, cylindrical spacecraft with a dark opening on one end and three circular detectors on the other end, against a dark blue, starry background
    31 replies 220 retweets 1,945 likes
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  12. Dec 1

    Vice President Harris chairs her first National Space Council meeting today at 1:30pm ET. Administrator will join to deliver remarks:

    Vice President Harris speaks from a lectern that has the vice presidential seal. Flags are lined up behind her, alternating between the U.S. flag and one carrying the vice presidential seal. She's wearing a navy blue suit.
    163 replies 303 retweets 3,052 likes
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  13. Nov 30

    🚗 💨 Get in, stargazers. We're going exploring. Round out 's by taking a 3D flight through the Orion Nebula:

    68 replies 627 retweets 4,582 likes
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  14. Nov 30

    We honor our Native American colleagues whose accomplishments help improve life on Earth and push humanity to the stars. Take a look at our Twitter Moment celebrating :

    31 replies 245 retweets 1,783 likes
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  15. Retweeted
    Nov 30

    Two astronauts are now scheduled for a spacewalk on Thursday after determined the orbit of the debris does not pose a risk.

    70 replies 283 retweets 2,283 likes
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  16. Nov 30

    Can you hear us now? Good. We’re taking a step towards the next era of space communications with the launch of our Laser Communications Relay Demonstration, or LCRD, on Sunday, Dec. 5 on a Atlas V rocket. How to participate & watch the launch:

    56 replies 400 retweets 2,932 likes
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  17. Nov 30

    Are plumes of water erupting from the surface of Jupiter's icy moon Europa—and if so, what else do these jets hold? Our mission, scheduled to launch in 2024, will scout for answers:

    Europa's surface with grooves and channels crisscrossing its smooth-looking surface.
    71 replies 505 retweets 4,249 likes
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  18. Retweeted
    Nov 29

    NASA received a debris notification for the space station. Due to the lack of opportunity to properly assess the risk it could pose to the astronauts, teams have decided to delay the Nov. 30 spacewalk until more information is available.

    136 replies 776 retweets 6,641 likes
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  19. Nov 29

    New images show the in all its glory. In early November, Crew-2 astronaut photographed the orbiting laboratory during the return trip home aboard the Crew Dragon Endeavour:

    View of the space station's football field-sized span with its large solar arrays. Docked to it are several spacecraft. The curvature of Earth is seen below and the top third of the background of the image is the blackness of space.
    A view askew of the space station and its solar arrays. Cylindrical habitation and laboratory modules are visible.
    Habitation and laboratory modules as seen from below the space station. Here it looks like a T-shape with solar arrays appearing to dangle from the bar (the space station's trusses) crossing the T. The background is the blackness of space.
    89 replies 850 retweets 6,983 likes
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  20. Nov 29

    Radio & GPS signals behave strangely when they travel through the polar cusp, a gap in Earth’s magnetic field. As spacecraft pass through this region, signals slow down. Our Cusp Region Experiment-2 sounding rocket mission is preparing to find out why:

    Colorful clouds from the vapor tracers of two rockets form against a dark sky.
    65 replies 372 retweets 3,073 likes
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