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Astronomers observing the redshift of light from a faraway star means that the star is

Explanation

A redshift in the electromagnetic spectrum of the light from a faraway star means that the star is moving away from the observer. In the 1920s, Edwin Hubble (1889–1953) observed that galaxies around the Milky Way were moving away from us because of this redshift, and those farther away are moving away from us even more rapidly; it is not moving toward us.

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