I’ve read that a lunar eclipse is what makes the moon appear red in the sky, because only light of certain wave lengths passing through our atmosphere. Would it also be red when viewed not from earth? It would still be the same light reaching it but bouncing back to our eyes not through the atmosphere. I’m not sure I’ve fully understood, I’d very much appreciate a science lesson. Thanks
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Great question! During a lunar eclipse, the moon appears red when viewed from Earth because the Earth’s atmosphere filters out most of the sunlight that would normally be reflected off the moon’s surface. This leaves only the red wavelengths of light, which are able to pass through the Earth’s atmosphere more easily due to their longer wavelengths.
However, when the moon is viewed from space, it would not appear red during a lunar eclipse. This is because there is no atmosphere around the moon to filter out the sunlight, so all wavelengths of light would be reflected back to an observer. This means that the moon would appear its normal white or gray color when viewed from space during a lunar eclipse.
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