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31-01-2022
Physics

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Why is it difficult for astronomers to accurately measure a value for the Hubble constant, H. Once a value is determined, describe how its used.

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haleystar31 haleystar31

31-01-2022

Explanation:

However, obtaining a true value for Hubble is very complicated. Astronomers need two measurements. First, spectroscopic observations reveal the galaxy's redshift, indicating its radial velocity. The second measurement, the most difficult value to determine, is the galaxy's precise distance from earth.

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