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Joined December 2007
Born October 1, 1958
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  1. 42 minutes ago

    This is why we test. We ended today’s “wet dress rehearsal” after encountering a vent valve issue while loading propellant into the fuel tank. We're investigating, & plan to host a media teleconference Apr. 5 at 4pm ET (20:00 UTC):

    NASA’s Space Launch System rocket with the Orion spacecraft aboard is seen atop a mobile launcher at Launch Complex 39B, Monday, April 4, 2022, as the Artemis I launch team conducts the wet dress rehearsal test at NASA’s Kennedy Space Center in Florida. Palm trees can be seen in the foreground.
    26 replies 99 retweets 697 likes
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  2. 4 hours ago

    We’re participating in the Symposium. Live broadcasts start Tuesday, April 5. 12:25pm EDT (16:25 UTC) speaks on our Moon-to-Mars strategy 1:15pm EDT (17:15 UTC) NASA leaders discuss the space economy Info on NASA at :

    Deputy Administrator Pam Melroy speaks from a lectern on a stage.
    21 replies 74 retweets 567 likes
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  3. 5 hours ago

    . has photographed evidence of a Jupiter-like protoplanet – a planet in the making. Estimated to be nine times more massive than Jupiter, its discovery supports a long-debated theory of how planets form:

    Hubble images of a newly forming Jupiter-like planet. The top left shows a fuzzy view of dust and gas, colored red with hubble's filters. The top right image enhances the image and the bottom right if even more magnified. The protoplanet is a bright spot just right of the center of the accretion disk of matter.
    56 replies 515 retweets 3,020 likes
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  4. 7 hours ago

    Get the inside story on ’s record-setting 355-day trip on the with a virtual news briefing, April 5 at 10am ET (14:00 UTC): Vande Hei’s stay is helping us learn the effects of long-duration spaceflight. Tag questions .

    Astronaut in red tee shirt aboard the space station, smiling as he poses next to a vegetable laboratory or incubator. Wires and cables surround the small laboratory.
    33 replies 141 retweets 1,164 likes
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  5. Retweeted
    9 hours ago

    We are “go” for tanking. teams will soon begin loading the rocket with fuel and conduct leak checks to make sure the tanking is proceeding as expected. Follow for real-time updates:

    NASA’s Space Launch System rocket with the Orion spacecraft aboard is seen atop a mobile launcher at Launch Complex 39B, Monday, April 4, 2022, as the Artemis I launch team conducts the wet dress rehearsal test at NASA’s Kennedy Space Center in Florida. The sky is blue behind the rocket.
    32 replies 250 retweets 1,674 likes
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  6. 11 hours ago

    . teams are “go” to proceed with the I wet dress rehearsal — the prelaunch test for the rocket and spacecraft. Weather is looking good. Follow for real-time updates:

    NASA’s Space Launch System rocket with the Orion spacecraft aboard is seen at sunrise atop a mobile launcher at Launch Complex 39B. The rocket, as well as the orange and grey sunrise, is reflected in the water.
    61 replies 285 retweets 1,957 likes
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  7. Retweeted
    23 hours ago

    Axiom Mission 1 (Ax-1) is now targeting launch no earlier than Friday, April 8 at 11:17 am. EDT. Follow the mission and learn about the update below.

    184 replies 424 retweets 2,295 likes
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  8. Apr 3

    Launched in 1977, carries a Golden Record with images, greetings, nature sounds, and music from our planet. While we celebrate music tonight on Earth, we’re wondering: What songs would you send to the cosmos?

    414 replies 985 retweets 5,645 likes
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  9. Apr 3

    We're targeting Monday, April 4, to resume the I wet dress rehearsal. The launch control team will meet at 6am ET (10:00 UTC) before deciding if they will proceed with propellant loading. Follow and for updates.

    Orange Artemis I rocket on the launch pad during testing. It's sunset and the sky is a deep blue, just after twilight.
    55 replies 280 retweets 1,932 likes
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  10. Apr 3

    You can listen to the April 4 telecon live or on demand.

    12 replies 65 retweets 638 likes
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  11. Apr 3

    LIVE: leaders provide a news update on the status of the final major test for our mega Moon rocket and spacecraft ahead of the I mission:

    NASA’s Space Launch System (SLS) rocket with the Orion spacecraft aboard is seen atop a mobile launcher at Launch Complex 39B. It's a cloudy in the photo, with grayness dominating. Two large, white, and bulbous water tanks are on either side of the launch pad.
    71 replies 283 retweets 2,423 likes
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  12. Apr 3

    Hear from I leaders about the final major test for the rocket that will send humanity back to the Moon. Listen to the media teleconference set for 5:30 p.m. EDT as we discuss next steps for the wet dress rehearsal.

    120 replies 716 retweets 6,684 likes
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  13. Apr 3

    For safety, we've stopped the I wet dress rehearsal. Teams are meeting now to assess next steps. We are looking at Monday, April 4 as the next opportunity to resume operations, and will have a media briefing later today. Check here for updates.

    59 replies 348 retweets 2,364 likes
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  14. Retweeted
    Apr 3

    At approximately 6:45 a.m. EDT, the launch director and mission management team chair gave the “go” to begin tanking the rocket. Meteorologists with Space Launch Delta 45 said there were no weather violations for the test.-JP MORE:

    16 replies 146 retweets 947 likes
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  15. Retweeted
    Apr 2

    Check out images of and at Launch Complex 39B as teams work through the I wet dress rehearsal test. More 📷:

    , , and 2 others
    68 replies 371 retweets 3,693 likes
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  16. Retweeted
    Apr 2

    Teams here at Kennedy are continuing to work through the I wet dress rehearsal test. Want to follow along? will be posting updates throughout the weekend in addition to our live video stream: Latest update:

    26 replies 171 retweets 1,493 likes
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  17. Apr 1

    This week at NASA, we spotted the most distant star ever and set a spaceflight record. What else? Watch.

    This Week @ NASA - April 1
    What the President’s budget means for NASA, a record-setting astronaut returns safely to Earth, and the next Commercial Crew mission to the space station – This Week at NASA!
    67 replies 263 retweets 2,220 likes
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  18. Apr 1

    The countdown is now underway for the final prelaunch test for I. Teams will now begin practicing every step prior to liftoff for the launch of . Follow for real-time updates:

    Shot of the rocket on the launch pad as the Sun is behind it. The image is framed by lush vegetation and clouds.
    63 replies 482 retweets 4,363 likes
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  19. Retweeted
    Apr 1

    Now let's get in formation 😎 3 out of 's 4 instruments have been successfully aligned to its mirrors! This concludes the 6th stage of its 7 mirror alignment phases to create the most accurate & focused images possible:

    Group photo of some James Webb Space Telescope project members with the complete Integrated Science Instrument Module, where all 4 of Webb's science instruments are contained and packaged together, inside the NASA Goddard cleanroom. All project members are fully suited in cleanroom gear.
    69 replies 496 retweets 4,215 likes
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  20. Apr 1

    You can listen to more sounds from Mars on our playlist: Are you an audio creator? Sample our tracks and share your creations with us:

    15 replies 105 retweets 653 likes
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