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@NASA

Explore the universe and discover our home planet with . We usually post in EST (UTC-5)

Joined December 2007
Born on October 1, 1958

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  1. 39 minutes ago

    Blast waves from exploded stars can accelerate cosmic rays, but where they come from is hard to track. Using NuSTAR mission data, astronomers found that some cosmic rays come from Eta Carinae, a luminous and massive stellar system ~7,500 light-years away:

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  2. Retweeted
    3 hours ago

    🔴Mars Report July 3, 2018: A dust storm batters the Red Planet. Opportunity hunkers down, while and orbiters continue science. For info on all Mars missions, visit

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  3. 4 hours ago

    Racing around Earth at 16,000 mph, the twin spacecraft shot lasers for the first time across a 137-mile distance between them to hit coin-sized holes on each satellite. This enables to precisely monitor water & ice on the ground below:

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  4. 6 hours ago

    that our Spirit and Opportunity were only supposed to rove around the Red Planet for 90 days? Discover three reasons why DAYS turned into YEARS by listening to the latest episode of our Gravity Assist podcast:

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  5. 8 hours ago

    is the first object ever seen in our solar system that is known to have originated elsewhere. Here’s what we know (and don’t know) about this mysterious visitor:

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  6. 10 hours ago

    The spacecraft reached its lowest-ever and final orbit around dwarf planet Ceres on June 6 and has been returning thousands of stunning images and other data. Get up close with these dramatic new views of Ceres:

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  7. 11 hours ago

    Celestial Fireworks! 🌟 Like a fireworks display, this glittering collection of stars located 20,000 light-years away from Earth looks like a red, white & blue aerial burst. Take a closer look:

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  8. Jul 2

    Did you know? Robotic technology originally designed for the is finding its way into healthcare by targeting breast cancer tumors. Learn how we're fighting cancer from space:

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  9. Jul 2

    What’s up for July? Mars makes its closest approach to Earth in 15 years! Get the details on when and how to observe the Red Planet’s dazzling show in the night’s sky!

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  10. Jul 2

    Frosty! ❄️ Layered deposits in Mars' north polar region include a thick stack of icy layers. Part of this January 2018 image from our Mars Reconnaissance Orbiter has lingering seasonal frost, which serves to accentuate those layers. Take a closer look:

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  11. Jul 2

    Parades & fireworks make for a festive July 4th, but mosquito bites, not so much. A tool researchers use to track mosquitoes is citizen data with observations to create new forecast models to predict the spread of mosquito-carrying diseases:

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  12. Jul 2

    🚨LAST DAY TO APPLY🚨 We’re inviting social media users to go behind-the-scenes on one of our research vessels 🚢 before we embark on an expedition to study the ocean’s . Apply to attend this event in Seattle on Aug. 9:

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  13. Jul 2

    Today, our space instrument arrived at our orbiting laboratory 250 miles above our home planet. It will help us better understand volcanoes 🌋, fires 🔥, urban heat 🌇 and coastal and inland waters 🌊 located here on Earth. Here’s how:

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  14. Retweeted
    Jul 2
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  15. Jul 2

    Three days after its launch from Florida, the cargo spacecraft has been installed on the Earth-facing side of the ’s Harmony module for a month-long stay. Details:

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  16. Jul 2

    At 9:52am ET, 's cargo craft was bolted into place and is now attached to the where it will be for the next month delivering more than 5,900 pounds of research, crew supplies and hardware to the orbiting laboratory. Watch:

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  17. Retweeted

    As we wait for the to be attached to the station, we answered 's question today, "Is The Docking Procedure Automatic, Manual Or Both?"

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  18. Jul 2

    Have a question about today's arrival of the cargo craft at the ? Ask it now using the hashtag and our experts will answer some during our broadcast. Watch:

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  19. Jul 2

    LIVE NOW: Watch coverage of the installation of 's cargo craft to the , delivering more than 5,900 pounds of research, equipment, cargo and supplies that will support dozens of investigations aboard the orbiting laboratory:

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  20. Retweeted

    .'s question this morning is, "What Happens To The SpaceX Dragon When Is It Unloaded?"

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