lilyjordan1901 lilyjordan1901

02-12-2022
Physics

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The velocities with which stars and gas clouds orbit the center of our galaxy is measured by observing their.

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03-12-2022

Explanation:

The Doppler shift of familiar spectral lines from gas clouds and stars in our galaxy measures their: orbital velocities within the galaxy. The Big Bang Theory predicts that most of the dark matter in our galaxy and elsewhere must consist of something other than the known chemical elements.

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