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Stephen Clark
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Stephen Clark
@StephenClark1
Space Reporter @arstechnica, ex @SpaceflightNow | Reachable at [email protected]
Texas
arstechnica.com/author/stephen…
Joined January 2009
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  • user avatar
    Stephen Clark
    @StephenClark1
    Apr 7, 2021
    This new image of NASA’s Ingenuity helicopter on the surface of Mars shows some dust already deposited on its solar panel. Checkouts are planned this week before its first test flight no earlier than Sunday.
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    Stephen Clark
    @StephenClark1
    Jan 8, 2022
    Mike Menzel, NASA’s Webb mission systems engineer, with a big statement on JWST fuel life: "Roughly speaking, it’s around 20 years.” It’s the first time the Webb team confirmed the mission might reach its “best-case” fuel life, double the conservative pre-launch estimate.
  • user avatar
    Stephen Clark
    @StephenClark1
    Oct 13, 2024
    What a moment.
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    379K
  • user avatar
    Stephen Clark
    @StephenClark1
    Dec 4, 2024
    Jared Isaacman is President-elect Trump's choice for the next NASA administrator, per a post on Trump's Truth Social account. truthsocial.com/@realDonaldTru…
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    618K
  • user avatar
    Stephen Clark
    @StephenClark1
    Oct 14, 2024
    SpaceX's flight-proven Super Heavy booster looks remarkably clean, apart from some metal stripped away from a chine. No soot or any obvious signs of burns. I'm curious what the engine bay looks like.
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    68K
  • user avatar
    Stephen Clark
    @StephenClark1
    Jan 14, 2025
    SpaceX’s ability to produce new upper stages every 2-3 days should get more attention.
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    SpaceX is superb at reusing boosters, but how about building upper stages?
    From arstechnica.com
    145K
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    Stephen Clark
    @StephenClark1
    Jul 2, 2022
    Artemis 1 is rolling into High Bay 3.
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    Stephen Clark
    @StephenClark1
    Aug 29, 2022
    There's a bat just chilling on the liquid oxygen feed line. spaceflightnow.com/2022/08/29/art…
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  • user avatar
    Stephen Clark
    @StephenClark1
    Apr 14, 2023
    SpaceX's official patch for next week's big show.
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    87K
  • user avatar
    Stephen Clark
    @StephenClark1
    Oct 18, 2024
    SpaceX prevails over ULA, wins military launch contracts worth $733 million.
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    SpaceX prevails over ULA, wins military launch contracts worth $733 million
    From arstechnica.com
    280K
  • user avatar
    Stephen Clark
    @StephenClark1
    Nov 5, 2021
    The James Webb Space Telescope — 43 days from launch. A breathtaking sight!
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    00:00
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    Stephen Clark
    @StephenClark1
    Dec 23, 2021
    The exact launch mass of the James Webb Space Telescope: 6161.4 kilograms. That figure includes 167.5 kg of hydrazine and 132.5 kg of dinitrogen tetroxide for the propulsion system. (1/6)
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    Stephen Clark
    @StephenClark1
    Sep 13, 2021
    Numerous lightning strikes over the Atlantic tonight. This one lit up Inspiration4’s Falcon 9 rocket moments ago. Watch live views from Kennedy Space Center: youtu.be/qyG1p3X1l74
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    Stephen Clark
    @StephenClark1
    Apr 6, 2022
    NASA’s Artemis 1 moon rocket and SpaceX’s Falcon 9 share the scene this morning at Cape Canaveral National Seashore — the first time since 2009 that both pads at Launch Complex 39 have been occupied by rockets.
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