mardi 11 octobre 2022

Would the mirrored spaceship from Sunshine actually work?

My naive gut reaction is that it shouldn't work. Whether it works or not, what's the physics of it? And if it doesn't work, is there something else that plausibly might work?

It seems to me that the mirror may be able to reflect a lot of light, but it will still warm up as it approaches the sun. Ultimately, if it's sitting in the outer edge of the coronasphere, then sooner or later it has to end up at the same temperature as the surface of the sun. Probably sooner. To actually approach, it would have to employ some kind of active cooling system, that somehow dumped the excess heat it was taking on.

Am I right, or wrong, about this?


via International Skeptics Forum https://ift.tt/5AEnQ3b

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