Mmastodon ScienceSpace first seen 13 h ago, last 11 h ago, peak #1

Bubble Nebula in Cassiopeia Draws Fresh Attention

Original: The Bubble Nebula, also known as NGC 7635, Sharpless 162, or Caldwell 11, is an H II region emission nebula in the const

Space enthusiasts are sharing details about the Bubble Nebula, an emission nebula catalogued as NGC 7635 in the constellation Cassiopeia. Located near the open cluster Messier 52, it gets its distinctive shape from the stellar wind of a massive, hot young central star. The object, also listed as Sharpless 162 or Caldwell 11, is being celebrated as one of the more striking sights in the night sky.

Why now: A striking astronomical image of the nebula has renewed public interest in the object.

Bubble NebulaNGC 7635CassiopeiaMessier 52

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Rank over time, top of the chart is #1. 2 snapshots from 13 h ago to 11 h ago.

Evidence

• The Bubble Nebula, also known as NGC 7635, Sharpless 162, or Caldwell 11, is an H II region emission nebula in the constellation Cassiopeia. It lies close to the open cluster Messier 52. The "bubble" is created by the stellar wind from a massive hot, 8.7 magnitude young central… · stux@mstdn.social · 22

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