Tweets on all things #NASA. At 12:06 into the #Apollo11 launch CAPCOM Bruce #McCandless relays: Apollo11, this is Houston. You are confirmed GO For Orbit.

Florida, USA
Joined August 2011
Starliner’s next crewed flight will have an exceptional commander in @Astro_Woody. He is an accomplished and experienced astronaut, knows the Starliner spacecraft, and brings the technical expertise and operational judgment we want in the commander’s seat. He has my complete confidence.
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Starliner will get extra help from NASA, and if it can sort out its problems it'll fly with a crew in 2028, and also be adapted to fly on the Vulcan.
The uncrewed Starliner-1 mission is planned for the December 2026/January 2027 timeframe. Together with @NASA, we're making Starliner hardware enhancements and adding resources for human spaceflight certification. These changes support the spacecraft as a long-term provider of crewed missions to low Earth orbit. More: boeing.com/space/starliner/s… 📸: Starliner-1 spacecraft is being prepared for testing, July 2026
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With @BoeingSpace, we’ll provide an update on Starliner development and plans for regular crew flights to and from the @Space_Station. Watch live Monday, Sept. 28 at 3pm ET: go.nasa.gov/4AA9Ii5
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Large file incoming 📡 Ground systems worldwide supporting the Roman Space Telescope have confirmed the ability to receive the 1.4 terabytes of daily data! Learn more: go.nasa.gov/3VgIg8S
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New footage from one of the Starlink V3 satellites deployed today. Amazing
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Starship Flight 14 launch and orbit was a success, but what did the launch sound and feel like form Port Isabel, about 5 miles away? Here is a visual & audio experience almost as good as being there! If you haven't been to a Starship launch, you really need to plan a trip! @esherifftv Sound UP!
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In Houston at the Off World conference today, NASA’s Jared Isaacman said there would be an “Artemis acceleration” event to discuss plans to bring forward the Artemis IV lunar landing in “early October.”
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I have spent 23 years documenting the global LED transition of city lighting from space. Across my 4 missions to the ISS, I have photographed every major city on Earth, building a data set of the gradual replacement of sodium vapor lighting with LEDs. The warmer, yellow-orange of gas discharge lamps has been phased out worldwide to multi-colored LEDs, citing energy savings and environmental reasons. Widespread adoption has markedly changed the way our cities look from orbit, and as many have pointed out, how they feel to those on the ground! Here is a collection of the most striking before-and-after photos I have observed:
Miami, Florida as seen from the ISS in 2025. This city has changed tremendously since my previous mission, replacing its yellow-orange sodium vapor lights with multi-colored LEDs. The city grid really pops! This LED takeover of city lighting is world wide.
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Success! Roman’s planned mid-course correction burn went as expected, ensuring that we are on track for our orbit around the second Lagrange point, a million miles from Earth. go.nasa.gov/4A3zDi2
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You can track Roman and its distance to L2 live using NASA's Eyes on the Solar System tool. eyes.nasa.gov/apps/solar-sys…
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Falcon Heavy's two side boosters land at LZ-2 and LZ-40
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Falcon Heavy landing from the NASA Causeway. All six sonic booms can clearly be heard, one for each landing leg. – at Titusville, FL
Readers added context they thought people might want to know
Falcon Heavy side boosters each produce a triple sonic boom from their geometry (base, grid fins/lower body with folded legs, top) during supersonic flyback, not one per landing leg. Legs remain folded and deploy only after subsonic near touchdown. acoustics.org/2apaa6-boom-bu… aip.org/scilights/grid…
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Both side booters RTLS landings.
LAUNCH! SpaceX Falcon Heavy launches the Roman Space Telescope. Live on X and YT: youtube.com/watch?v=-8yDQhVg…
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Falcon Heavy launches @NASA’s Nancy Grace Roman Space Telescope from pad 39A in Florida, beginning its more than three-month journey to its destination where it will generate never-before-seen photos of the universe
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Roman is ready for liftoff tomorrow at 7:26 a.m. EDT! The SpaceX Falcon Heavy rocket carrying NASA's Nancy Grace Roman Space Telescope stands vertical at Launch Complex 39A at Kennedy Space Center in Florida.
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The @SpaceX Falcon Heavy rocket with @NASA's Nancy Grace Roman Space Telescope is seen at sunrise at Launch Complex 39A at @NASAKennedy as preparations continue for launch. 📷: flic.kr/s/aHBqjD3uMR
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.@NASARoman is GO for Launch! NASA and SpaceX mission teams polled “GO” during today's Launch Readiness Review. Liftoff of NASA's Nancy Grace Roman Space Telescope is targeted for 7:26 a.m. EDT Sunday Aug. 30 on a SpaceX Falcon Heavy from Kennedy! go.nasa.gov/3T2Wauu
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This weekend, @NASARoman launches to join @NASAHubble and @NASAWebb in space, teaming up to expand our view of the universe. Each telescope brings a unique set of skills and interests. Curious where you’d fit in the exploration squad? Find out which telescope you are!
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Happy 250th Birthday to the United States of America, from all of us on the @Space_Station and at @NASA! Wishing all a safe and celebratory 4th of July.
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