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7 November, 21:06

How do astronomers measure distances to stars?

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  1. 7 November, 22:00
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    They measure a star's apparent movement against the background of more distant stars as Earth revolves around the sun.
  2. 7 November, 22:55
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    I found this online:

    Astronomers estimate the distance of nearby objects in space by using a method called stellar parallax, or trigonometric parallax. Simply put, they measure a star's apparent movement against the background of more distant stars as Earth revolves around the sun.
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