While camping, I noticed that if you look long enough at almost any star, you start seeing some tiny, subtle colors in that star. Even crazier, they sometimes flicker between more colors. In my case orange, blue and something like cyan.

Besides constellations, what else could you observe regarding starts, with the naked eye?

  • rufus@discuss.tchncs.de
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    1 年前

    I hope I don’t sound too argumentative, because I really don’t actually care too much about the exact color of sunlight. But I think this is a diagram from earth’s perspective. It has these dents in the longer wavelengths where certain frequencies get absorbed by elements it traveled through, and the UV is filtered out. Both indicators it went through the atmosphere.