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@NASA

Explore the universe and discover our home planet with . We usually post in EST (UTC-4)

Joined December 2007
Born October 1, 1958

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  1. Pinned Tweet
    6 hours ago

    LIVE SPACEWALK: Tune in to watch & prepare to venture into the vacuum of space to install batteries that will upgrade the 's power systems. Watch:

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  2. Retweeted

    . completes the adapter plate installation concluding the main tasks for today's spacewalks. The Astronauts will move on to clean up and get ahead tasks if time permits. |

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  3. Retweeted

    Four hours into today's spacewalk, has completed installing the old nickel-hydrogen battery onto the external pallet, and is working on installing an adapter plate to the station. |

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  4. 1 hour ago

    As you watch today’s spacewalk, here’s how to keep track of which astronaut you’re seeing: 🔴 – red stripes on spacesuit & helmet camera number 11 ⚪️ – no stripes on spacesuit & helmet camera number 18 Tune in:

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  5. 2 hours ago

    Spacewalk update: A new lithium-ion battery is now installed on the ! 🔋 Watch & continue upgrades to the station’s power systems:

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  6. 3 hours ago

    Another task complete! ✔️ During today’s spacewalk, & will replace nickel-hydrogen batteries with newer, more powerful lithium-ion batteries for the power channel on one pair of the ’s solar arrays. Tune in:

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  7. 4 hours ago

    LIVE NOW: During today’s spacewalk, we will have helmet camera views so that you can see what and experience as they work outside of the . Tune in & ask questions using :

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  8. Retweeted
    4 hours ago

    Good luck and . A lot of people work behind the scenes to support NASA missions like these (, controllers, engineers). Without them, missions like these are not possible. Thanks to everyone supporting, especially at .

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  9. 4 hours ago

    What's happening in space right now? Two are currently working *outside* the . Watch our live coverage as & perform their tasks during today's 6.5 hour spacewalk that started at 6:35am ET:

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  10. Retweeted

    . was the first out of the hatch today as our spacewalkers prepare to begin the work to swap batteries on the station's Port-6 truss structure.

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  11. 5 hours ago

    Today’s spacewalk is underway! 👩‍🚀👩‍🚀 At 6:35am ET, & set their spacesuits to battery power, marking the beginning of a 6.5 hour spacewalk to continue upgrades to the ’s power systems. Watch live coverage:

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  12. 7 hours ago

    Starting at 5:30am ET, join us for live coverage of the second spacewalk of the year!👩‍🚀👩‍🚀 Watch at and tweet your questions with the hashtag

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  13. 15 hours ago

    Talk about an office with a view! 👩‍🚀 & suit up tomorrow for the last in a series of spacewalks outside the to upgrade the orbital lab’s batteries. Watch: 🗓️ Monday, Jan. 20 ⏰ 5:30am ET 📺

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  14. Retweeted

    Exciting weekend! Had fun dry-running Crew Dragon pre-launch activities--w/space suits & modern transport. Saw first hand demo of Dragon's launch escape system. Two very different types of excitement (check our faces)! Super proud of what the team has accomplished!

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  15. Retweeted

    Spacewalk selfie, visor down. Because our magnificent planet Earth is far prettier than me. Tune in tomorrow (NASA TV) as we finish off the job to upgrade the battery channel.

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  16. 17 hours ago

    Don’t let this moon fool you. 🌔 🌓 Ganymede, Jupiter’s largest moon, might be labeled as such but its shear size surpasses that of Mercury. These images reveal the 1st views of its north polar region: 📸 Image processing by Gerald Eichstädt

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  17. Retweeted

    Hear from NASA astronauts and on how they feel after ’s In-Flight Abort Test ⬇️ They’ll be the first to fly on the second mission to the ! 🐉

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  18. 20 hours ago

    Just look at it. 🌏 Taken by astronauts on the , this image captures the essence and beauty of our delicate blue marble. Here, the Sun's glint beams over the Philippine Sea highlighting the clouds and their shadows during an orbital sunrise:

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  19. Retweeted
    21 hours ago

    Crew Dragon separating from Falcon 9 during today’s test, which verified the spacecraft’s ability to carry astronauts to safety in the unlikely event of an emergency on ascent

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  20. Retweeted

    Spacewalk time! After all the technical studying, airlock prepping, and conferencing, and I multitask as we do our final briefing. 💡Spacewalk hair pro tip: Double braid is the way to go--fits snug under the com cap, out of the helmet seal, and no flyaways!

    , , and 2 others
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