Celestial hemisphere:  Southern  ·  Constellation: Canis Major (CMa)  ·  Contains:  HD57027  ·  HD57057  ·  IC 468  ·  LBN 1040  ·  LBN 1041  ·  NGC 2359  ·  Sh2-298
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NGC 2359 Thor's Helmet, Daniel Stern
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NGC 2359 Thor's Helmet

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NGC 2359 Thor's Helmet, Daniel Stern
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NGC 2359 Thor's Helmet

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Description

The name "Thor's Helmet" comes from its distinctive shape, which resembles a Viking helmet with wings on either side. This shape is formed by a bright central star surrounded by a bubble of gas and dust. The central star is a Wolf-Rayet star, one of the most massive and hottest types of stars known to exist. It is thought to have expelled the material that makes up the bubble through intense stellar winds and a series of violent explosions.

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NGC 2359 Thor's Helmet, Daniel Stern