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@NASA

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

Joined December 2007
Born October 1, 1958

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  1. Pinned Tweet
    6 hours ago

    On Friday, Oct. 18, and will venture outside for a spacewalk, the first to be performed by two women. A preview of tomorrow's event and a look at more history-making women in space:

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  2. 2 hours ago

    Progress! 's heat probe or "mole" is on the move, after a new strategy used the lander's robotic arm to help it start digging into the Martian soil once again. How 's team worked on the recovery effort:

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  3. 3 hours ago

    LIVE NOW: Tune in for a new episode of Live to learn more about , the next great observatory and our quest to understand the solar system and beyond. Watch and submit questions using :

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  4. Retweeted

    Last week, I visited the fully assembled observatory and it was incredible to see humanity’s most powerful telescope up close. Hear more about my visit and the science this mission will do on Live today at 4:30pm ET: Q? Use

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  5. 4 hours ago

    Even though they were designed for a two-year mission, our Van Allen Probes lasted for about seven years in one of the harshest environments in space. As we prepare to bid farewell to the mission, join our experts on to ask questions:

    In 2012, observations from the Van Allen Probes showed that a third belt can sometimes appear.
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  6. 6 hours ago

    LIVE NOW 🎧: Hear experts talk about the and tech demonstrations that will fly on Nov. 2 to the aboard the Cygnus spacecraft:

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  7. 6 hours ago

    Fun Fact: Dr. Rubins is wearing a hand-painted spacesuit decorated by patients recovering at the MD Anderson Cancer Center to raise awareness about the benefits of pairing art with medicine. We will let her explain a little more in detail. Enjoy!

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  8. 7 hours ago

    Astronaut Kate Rubins, the 1st person to sequence DNA in space, will be answering questions during today’s Answer Time. Kate has spent her career studying dangerous pathogens on Earth & advancing science on the ! Tune in at 1pm ET 📺:

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  9. Retweeted

    Have questions about Earth's radiation belts, the Van Allen Probes' scientific discoveries or the end of the mission? Join mission experts this afternoon on to ask us anything. 🔗 ⏰ 3pm ET

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  10. Retweeted
    10 hours ago

    “Never be limited by other people’s limited imaginations.” Happy birthday, Mae Jemison! Dr. Jemison was the first African American woman to travel to space when she served as a mission specialist aboard the Space Shuttle Endeavour. Celebrate:

    Mae Jemison is an engineer, physician and former NASA astronaut. In this image, she looks out the aft flight deck ports on Space Shuttle Endeavour's STS-47 mission in 1998. She was the first African American woman in space.
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  11. 21 hours ago

    To chase wildfire smoke, 🌎🔥 stayed up all day…and night, collecting samples with planes and vans, to better understand how smoke 💨affects communities near and far. Watch👀on Facebook: Watch👀on YouTube:

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  12. 23 hours ago

    Dressing for the occasion! 👩‍🚀 👨‍🚀 Many missions require 2 spacesuits: 1 for spacewalks and 1 for protection during launch 🚀 and reentry. will wear the orange suit on missions during liftoff & return to Earth. Details:

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  13. Retweeted
    Oct 16

    This morning, engineers at Redstone Arsenal completed the final hot-fire test for 's jettison motor! Watch the video and get the full details >>

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  14. 24 hours ago

    This week's episode of 's podcast, On a Mission, goes where geology and astronomy meet: asteroid impact craters. ☄️ Our Moon is covered in craters, but where are the craters on Earth — and what can we learn from them? 🎧 📲 Listen and subscribe:

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  15. Oct 16

    We're working with on a project using data to better understand how sound & outdoor light affect animal species. A goal is to help protect the habitats of wildlife and to preserve the park experience for human visitors. More:

    City lights image from orbit
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  16. Retweeted
    Oct 16

    Gearing up for Friday’s spacewalk to help the ground teams repair one of the battery channels with . . . . first spacesuit selfie, check!✔️ Photos will be much more spectacular once we pass through the hatch. Be sure to watch live:

    , , and 2 others
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  17. Oct 16

    👋 👋 The camera on our Mars Reconnaissance Orbiter has captured images of both missions on the surface. 🔍 Look closely to see the lander's solar panels and seismometer and the rover's tracks across Mount Sharp:

    Image from orbit of InSight lander
    Image from orbit of Curiosity rover
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  18. Retweeted
    Oct 16

    Hubble has given astronomers their best look yet at an interstellar visitor — comet 2I/Borisov — whose speed and trajectory indicate it has come from beyond our solar system:

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  19. Oct 16

    ☄️Interstellar visitor spotted!☄️ Our telescope has given astronomers their best look yet at comet 2I/Borisov, the second known interstellar object found to enter our solar system. Learn more:

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  20. Retweeted

    We're full speed ahead to land the first woman and next man on the Moon by 2024. is taking the next steps to work with to build the rocket for III and beyond.

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