First time a Falcon rocket booster will reach double digits in flightshttps://twitter.com/SpaceX/status/1390843232330817539 …
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Replying to @elonmusk @Kristennetten
hey for starlink v2 how about covering the satellites in (idk) vanta black so you have minimal reflection for astronomers
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I think I read that there’s a problem with heat absorption even just painting them regular old black.
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for sure! you either need to make a thermal gap, or transmit the heat throughout the satellite, or maybe, make a reflective sun/planetshield (has to be aligned)
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Not my domain, but, just thinking, 1st & 2nd options may just delay the problem if there isn’t a pretty good radiator, which would need to somehow be kept out of the sun…and then reflective sunshade runs the risk of causing the problem again (tho you did mention alignment).
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Replying to @DanCalle @DanielleFong and
Hard to get around the inherent efficiency of just having the whole satellite be a light color! Anyway, sorry for just critiquing without proposing solutions - trying to think of some.
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Replying to @DanCalle @DanielleFong and
Ok, I think this won’t work because size and weight problems, but shape could be used to reduce how much light is reflected in any one direction, much like the shape of stealth aircraft help reduce their radar cross sections.
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easier to deal with sunshine than earthshine
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