RT @physicsJ: All light from space is refracted by our atmosphere. Stars twinkle because they are very far and appear very small in our sky… 0 atbildes
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Pēteris Krišjānis (2019-07-10 10:08:15) |
RT @physicsJ: All light from space is refracted by our atmosphere. Stars twinkle because they are very far and appear very small in our sky… | |