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Why Do Stars Twinkle

Key Facts In This Video

  1. The scientific term for twinkling is astronomical scintillation. 00:20

  2. Planets are farther away from us than stars, which is why they appear as discs rather than twinkling points of light. 01:05

  3. To capture clear images of objects in space, some telescopes have adaptive optics that compensate for atmospheric turbulence. 01:50