uniformly young stars
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Which is a mark of a galaxy formed by collapse?(1 point)
uniformly young stars
same age stars
abundant gas and dust
a mix of young and old stars
The Milky Way has changed course to head toward Andromeda.
All galaxies will collide at some point.
The two galaxies have collided previously.
Astronomers have observed their movements over time.
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Which is a mark of a galaxy formed by collapse?(1 point)
uniformly young stars
uniformly young stars
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