The sun also likely formed in a cluster, from a single molecular cloud that fragmented to form hundreds or thousands of stars at once with a full range of masses. yet the sun (and most other stars) is currently a single star, with no sign of the siblings it formed with. what likely happened to the other stars in the cluster the sun was born in?
In that cluster, the other stars moved away from the sun over the past 4.5 billion years. With the years all the stars with the different rage of masses moved away with the time. A molecular cloud is a type of interstellar cloud and its size allows the formation of molecules, in this case, the Sun was created and the surrounding stars in the same cluster moved away.
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