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frosja888 [35]
3 years ago
12

Define parallax as it relates to stars and explain how it can be used to determine stellar distances.

Physics
1 answer:
FrozenT [24]3 years ago
5 0
Astronomers can measure a star's position once, and then again 6 months later and calculate the apparent change in position. The star's apparent motion is called stellar parallax. The distance d is measured in parsecs and the parallax angle p is measured in arcseconds.

I hope this helps!
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