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Joined December 2007
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  1. 15m

    From space, air & sea, NAAMES studies how plankton blooms impact climate:

    What's this NASA NAAMES thing all about?
    This NASA field experiment took to the sea in May to investigate the world’s largest plankton bloom and how it gives rise to small organic particles.
    11:52 am - 3 Jun 2016 · Details
    111 retweets 204 likes
  2. 3h

    Enjoying a donut today? We bet it’s not one w/ black hole filling! Happy !

    9:01 am - 3 Jun 2016 · Details
    1,329 retweets 2,479 likes
  3. 4h

    Expandable module deploys, Mark Zuckerberg chats w/ crew & more on this week. Qs? Use

    Space to Ground: Friending the ISS: 06/03/2016
    NASA's Space to Ground is your weekly update on what's happening aboard the International Space Station. Got a question or comment? Use #SpaceToGround to talk to us.
    7:48 am - 3 Jun 2016 · Details
    430 retweets 930 likes
  4. 20h Houston, TX

    from .

    3:41 pm - 2 Jun 2016 · Details
    632 retweets 1,751 likes
  5. 19h

    What’s happening 250 miles above Earth on ? Here’s a quick update for you:

    5:33 pm - 2 Jun 2016 · Details
    701 retweets 1,555 likes
  6. Jun 2

    Exiting the habitat after a 30-day simulated mission to an asteroid! Details on the mission:

    The Human Exploration Research Analog simulated a 715-day journey to a Near-Earth asteroid. The 30-day mission will help our researchers learn how isolation and close quarters affects behavior.
    9:17 am - 2 Jun 2016 · Details
    319 retweets 743 likes
  7. 20h

    Sunlight filters through & illuminates Pluto’s complex atmospheric haze:

    4:09 pm - 2 Jun 2016 · Details
    791 retweets 1,811 likes
  8. 23h

    Bright fireball lit pre-dawn sky over Arizona early today; No reports of damage or injury:

    1:37 pm - 2 Jun 2016 · Details
    710 retweets 1,309 likes
  9. Jun 2

    in 1966, our Surveyor 1 spacecraft - the 1st in a series of 7 - landed on the moon

    11:30 am - 2 Jun 2016 · Details
    481 retweets 1,242 likes
  10. Jun 2

    Using , astronomers found that universe is expanding 5-9% faster than expected:

    10:07 am - 2 Jun 2016 · Details
    1,266 retweets 1,787 likes
  11. Jun 2

    Excited to sign agreement w/ to explore evolution of galaxies.

    8:04 am - 2 Jun 2016 · Details
    87 retweets 383 likes
  12. Jun 2

    Using ~30 years of satellite data, scientists track vegetation changes in Alaska and Canada:

    NASA Studies Details of a Greening Arctic
    NASA scientists used almost 30 years of data from the NASA/U.S. Geological Survey Landsat satellites to track changes in vegetation in Alaska and Canada.
    8:39 am - 2 Jun 2016 · Details
    705 retweets 997 likes
  13. Jun 2

    At and DLR extend cooperation agreement for SOFIA observatory

    7:12 am - 2 Jun 2016 · Details
    75 retweets 238 likes
  14. Jun 2

    What’s up for June? Saturn at its best! Plus, good views of Mars, Jupiter & Jupiter’s moons:

    What's Up for June 2016
    Find out where to look in the sky this month to find Saturn, Mars, Jupiter and a comet.
    7:31 am - 2 Jun 2016 · Details
    1,249 retweets 1,781 likes
  15. Jun 1

    Sunset and sunrise blend into one as the sun just dips below the horizon right now

    11:46 am - 1 Jun 2016 · Details
    2,615 retweets 6,486 likes
  16. Jun 1

    Our upcoming CORAL will collect uniform, large-scale dataset on coral reefs

    5:07 pm - 1 Jun 2016 · Details
    479 retweets 1,388 likes
  17. Jun 1

    Satellite finds unreported and major human-made sources of toxic sulfur dioxide emissions:

    4:04 pm - 1 Jun 2016 · Details
    798 retweets 1,163 likes
  18. Jun 1

    Our 18.8 million-cubic-foot super pressure balloon circumnavigated globe after 14 days:

    3:03 pm - 1 Jun 2016 · Details
    711 retweets 1,685 likes
  19. Jun 1

    Like a cosmic lava lamp, a large part of Pluto’s icy surface is constantly renewed. Details:

    11:33 am - 1 Jun 2016 · Details
    1,293 retweets 2,440 likes
  20. Jun 1

    LIVE NOW: Mark Zuckerberg asks crew your questions on Live:

    10:00 am - 1 Jun 2016 · Details
    548 retweets 1,124 likes
  21. Jun 1

    Mark Zuckerberg will be asking YOUR Qs to the crew on at 12:55pm ET

    8:57 am - 1 Jun 2016 · Details
    353 retweets 949 likes
  22. May 31

    We have our sunsets back again…I missed them!

    3:07 pm - 31 May 2016 · Details
    1,519 retweets 5,255 likes
  23. May 31

    On ? Mark Zuckerberg asks your Qs to crew tomorrow at 12:55pm ET:

    6:37 pm - 31 May 2016 · Details
    519 retweets 1,320 likes
  24. May 31

    Saturn seen in the night sky & a few other things to know about our solar system this week:

    5:43 pm - 31 May 2016 · Details
    1,559 retweets 3,061 likes
  25. May 31

    . conducted a successful full-power hot fire test of at :

    5:09 pm - 31 May 2016 · Details
    387 retweets 1,131 likes
  26. May 31

    Read more about the successful hot fire and watch the video here:

    117 retweets 251 likes
  27. May 31

    Situated 8,000 light-yrs away, giant stars form at the heart of “little fox” constellation:

    4:04 pm - 31 May 2016 · Details
    1,447 retweets 2,610 likes
  28. May 31

    Saturn’s moons Janus & Mimas coast in their silent orbits in this view from :

    2:31 pm - 31 May 2016 · Details
    746 retweets 1,840 likes
  29. May 31

    On ? Add “NASA” & check out today's story for a glimpse of how we’re working to make sonic booms quieter!

    1:11 pm - 31 May 2016 · Details
    559 retweets 1,451 likes
  30. May 31

    Iridescent blues of Australia’s Great Barrier Reef as seen from . Take a look:

    12:15 pm - 31 May 2016 · Details
    1,171 retweets 2,660 likes
  31. May 31

    LIVE NOW: A flight demo showing how we’re working to make airplane sonic booms quieter:

    10:06 am - 31 May 2016 · Details
    309 retweets 812 likes
  32. May 31

    Making airplane sonic booms quieter: Watch our Live at 1pm ET for a flight demo:

    9:17 am - 31 May 2016 · Details
    513 retweets 1,216 likes
  33. May 31

    Today, unveiled new planetary stamps! Take a look at other space stamps from history:

    8:45 am - 31 May 2016 · Details
    1,556 retweets 2,889 likes
  34. May 31

    It’s “First Day of Issue” for ’s Pluto Explored and 8 planetary stamps. Take a look:

    8:26 am - 31 May 2016 · Details
    562 retweets 1,341 likes
  35. May 30

    Lots of sun-glint right now during our whole orbit – we haven’t seen a sunset for over three days

    8:08 am - 30 May 2016 · Details
    1,700 retweets 4,961 likes
  36. May 30

    Coming to a post office near you…new stamps honoring our planetary discoveries! Debut May 31

    6:03 pm - 30 May 2016 · Details
    2,362 retweets 5,015 likes
  37. May 30

    See Mars...no scope needed! Look up & to right of the moon to see Mars at closest approach:

    4:21 pm - 30 May 2016 · Details
    3,434 retweets 3,940 likes
  38. May 30

    New research indicates that giant tsunamis played role in forming Martian coastal terrain:

    2:23 pm - 30 May 2016 · Details
    1,206 retweets 2,139 likes
  39. May 30

    Get outside to see a burnt orange Mars and a golden yellow Saturn in the night sky. Find out when and where to look:

    ScienceCasts: Red and Golden Planets at Opposition
    Mars and Saturn are getting together in the constellation Scorpius for back-to-back oppositions in May and June 2016.
    12:16 pm - 30 May 2016 · Details
    2,666 retweets 3,678 likes
  40. May 30

    Remembering all those who have served this on .

    6:37 am - 30 May 2016 · Details
    670 retweets 2,235 likes
  41. May 30

    Today we remember & honor the brave men & women who made the ultimate sacrifice for our country.

    8:03 am - 30 May 2016 · Details
    4,206 retweets 9,129 likes
  42. May 29

    Beautiful reefs off the coast of

    2:39 am - 29 May 2016 · Details
    1,364 retweets 3,919 likes
  43. May 29

    Violin Glacier in Greenland seen by ; an airborne survey of polar ice:

    4:47 pm - 29 May 2016 · Details
    923 retweets 2,209 likes
  44. May 29

    Venus rising behind the .

    Venus rising
    Timelapse video made by taking an image every second for around two and a half minutes
    12:09 pm - 29 May 2016 · Details
    3,721 retweets 6,409 likes
  45. May 29

    On ? Mark Zuckerberg will ask your Qs to astronauts on . Submit Q now

    2:15 pm - 29 May 2016 · Details
    536 retweets 1,607 likes
  46. May 29

    Hard to appreciate from space that the Grand Canyon is over a mile deep

    9:34 am - 29 May 2016 · Details
    2,923 retweets 7,088 likes
  47. May 29

    Why do some astronauts have vision changes after spending time in microgravity? New study aims to find out:

    ScienceCasts: One Carbon Metabolism on the Space Station
    For the first time, researchers have identified a genetic marker associated with a spaceflight medical issue. It is in the enzymes associated with the "1 carbon pathway."
    12:20 pm - 29 May 2016 · Details
    1,063 retweets 2,222 likes
  48. May 29

    Our orbit over the past few days on has us in daylight all day long!

    11:26 am - 29 May 2016 · Details
    529 retweets 1,650 likes
  49. May 29

    Think you know Earth? Here are 9 facts that'll make you rethink how well you know our world:

    10:36 am - 29 May 2016 · Details
    1,635 retweets 2,624 likes
  50. May 29

    Aerial pics show decades of foothill forest growth erased bc of California’s extreme drought

    8:53 am - 29 May 2016 · Details
    789 retweets 1,590 likes

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