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    Prof. Sam Lawler (sundogplanets@mastodon.social)'s status on Friday, 31-Jul-2026 01:32:14 JSTProf. Sam LawlerProf. Sam Lawler
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    After modelling this in detail, I can say that that these companies can't even do basic geometry, apparently. They want tens of thousands of satellites to have 24 hour sunlight, so sun-synchronous terminator orbits, baybeeee!

    But as Hugh Lewis pointed out (I know, ew, linkedin sorry) https://www.linkedin.com/pulse/sun-always-shines-tv-hugh-lewis-tlkbe/ IT DOESN'T FUCKING WORK unless you're above 1400km altitude. And then you're not in the *magical* low-latency low-altitude zone that these companies actually want for fast comms.

    In conversationabout 2 days ago from mastodon.socialpermalink

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      The Sun Always Shines on TV
      Many years ago, I was very fortunate to have Dr Graham Swinerd as my mentor while I was a Post-Doctoral Research Fellow and, subsequently, a new lecturer. Graham is the author of “How Spacecraft Fly: Spaceflight Without Formulae” (https://www.
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