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Bill Nelson
@SenBillNelson
14th NASA Administrator
Washington, D.C.nasa.govJoined February 2009

Bill Nelson’s Tweets

What a warm welcome from the students at High School! These students – and students throughout the United States, Japan, and nations around the world – are the Artemis Generation!
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With the upcoming launch of the H3 rocket from ’s Tanegashima Space Center, it was wonderful to visit where it was developed: ’s Tobishima plant. On behalf of , thanks for your invaluable contributions to space exploration!
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The Users' Advisory Group subcommittees are dedicated to promoting STEM education, diversity & inclusion, national security & more. Join the roundtable discussions and Q&A session with UAG members and National Space Council representatives on February 23!
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. and represent more good-paying jobs, more research and development capability, and more capacity to compete in the 21st century. Toyota, thanks for the tour—and the ride!
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Our message to ’s workforce? It’s back to the Moon & then onward to Mars! The scope of & JAXA’s success in exploration, science, & aeronautics demonstrates the strength of the U.S.-Japan partnership. In this new era of space exploration, we’re going together! 🇺🇸🇯🇵
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Much gratitude to & for their unwavering dedication to honor the brave crewmembers of Space Shuttle Columbia who lost their lives pursuing space exploration on February 1, 2003. Thank you for your bipartisan resolution.
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Today, marks one year since reignited the Cancer Moonshot Initiative! 's work on this represents their ambition to propel humanity forward for science, health, and hope. Excited to see the progress we will make going forward in the years to come!
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Congratulations to on being named the new chief of the astronaut office! Joe is a proven leader, and with our eyes on the Moon and Mars, Joe will play an integral role in ensuring our astronauts are prepared for the challenges ahead.
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Black History Month is not just a celebration of the past, but a call to action to continue fighting for justice and equality. Let us use this month as an opportunity to come together and work towards a more just and equitable future for all Americans.
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20 years ago, the Columbia crew lost their lives in the pursuit of exploration and discovery. Today, we lift up their legacies, and embrace NASA’s commitment to safety and the lessons we’ve learned. May we carry their spirit with us as we venture out to the Moon, Mars and beyond.
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“Bob and Doug represent the best of our nation.” — Kamala Harris Congratulations to former Bob Behnken and Doug Hurley, recipients of the Congressional Space Medal of Honor, presented to them for their bravery in NASA’s Demo-2 mission.
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. Harris awarded & the Congressional Space Medal of Honor! Doug & Bob dared to explore the unknown and made history on NASA and SpaceX’s Demo-2 mission. Their legacy will inspire future generations to reach for the stars.
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A big congratulations to on being nominated by to be an Air Force brigadier general! Raja is the real deal – a test pilot, commander of the Crew-3 mission to the ISS, and all-around great person. We’re incredibly lucky that he’s sharing his talents with NASA.
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On NASA's Day of Remembrance, we pause to remember of those who gave their lives to advance the cause of exploration. As we push the edge of the envelope in this new era of exploration, NASA will uplift their legacies by embracing our core value of safety.
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At we have dedicated teams who watch the skies to make sure we are safe from hazardous asteroids. Today's asteroid flyby is one of the closest ever recorded, but our #PlanetaryDefense experts have been tracking the asteroid and know it's not a threat to Earth.
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A newly discovered asteroid, named 2023 BU, is expected to make one of the closet approaches by a near-Earth object ever recorded. Thanks to diligent teams of #planetarydefense experts, we know It poses zero risk to Earth. Learn why: go.nasa.gov/3JfQi9W
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. is working on an exciting new project with our partners at ! Together, we’re developing and demonstrating new advanced nuclear thermal propulsion technology, which will play a key role in future crewed missions to Mars 🚀
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Since the beginning, has dared to go farther, faster, higher—and now we're partnering with to fly cleaner. Our Sustainable Flight Demonstrator aims to revolutionize the kind of aircraft the public uses most when they take to the skies.
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Dr. Martin Luther King, Jr. inspired millions to answer the righteous call for racial equality and a world where every person is treated with dignity and respect. I joined today to distribute food to community members to honor Dr. King’s life and legacy.
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Congrats to the team on being selected to receive the Goddard Memorial Trophy! Webb is giving us stunning views of the cosmos and will continue to illuminate what we know about the universe – and our place within it. And it's all thanks to you!
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We have an exciting year ahead ! 🌎Climate missions that will tell us more about how our Earth is changing ✈️Aero developments that will improve the way we fly 🌕The selection of the 1st #Artemis astronauts to go to the Moon And so much more!
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It's been a big year for NASA—and in 2023, we're returning our first asteroid sample to Earth, sending @NASAAero breakthroughs to the skies, and announcing the #Artemis II crew that will orbit the Moon. Check out what's next: youtube.com/watch?v=KjBisq
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