Search found 2 matches

by sfx42
Sat Feb 13, 2016 10:44 pm UTC
Forum: What If?
Topic: What-If 0145: "Fire From Moonlight"
Replies: 157
Views: 72695

Re: What-If 0145: "Fire From Moonlight"

I'm pretty sure Randall is wrong on this one; here's my own analysis. [...] For a 0.00146 watt/m^2 incoming energy flux, this would correspond to a lens approximately 9 meters in diameter. Big, but not out-of-the-real-of-possibility big. The largest terrestrial telescopes already have mirrors of ap...
by sfx42
Wed Feb 10, 2016 9:30 pm UTC
Forum: What If?
Topic: What-If 0145: "Fire From Moonlight"
Replies: 157
Views: 72695

Re: What-If 0145: "Fire From Moonlight"

I think there are a few incorrect points in "Fire from Moonlight": - The thermodynamics argument: as others have pointed out, this would make sense if the sun was heating a perfectly black moon, and we would only see the moon's blackbody radiation. However, most light from the moon is just...

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