M45 (The Pleiades), dnault42

M45 (The Pleiades)

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Description

M45 (The Pleiades - The Seven Sisters)

The Pleiades is an open star cluster around 400 light years away from us. It is one of the closes star open clusters and the most noticeable in the winter sky. It is populated with young, hot, blue stars. The nebulosity surrounding the stars was originally thought to be left over from the region that formed these stars, however due to the age of the stars any of the original material would have been dispersed from the stars radiation. Instead the cluster is passing through the another dust cloud. The light from the stars is reflecting off this material, thus it's called a reflection nebula.

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M45 (The Pleiades), dnault42