Celestial hemisphere:  Northern  ·  Constellation: Cassiopeia (Cas)  ·  Contains:  Bubble Nebula  ·  M 52  ·  NGC 7635  ·  NGC 7654  ·  NGC 955
Bubble Nebula, Keith Grice
Bubble Nebula
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Bubble Nebula

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Description

The Bubble Nebula region from the backyard.
Photographed in HARGB.

This image reveals an expanding shell of glowing gas surrounding a hot, massive star in our Milky Way Galaxy, the shell of which is being shaped by strong stellar winds of material and radiation produced by the bright star which is 10 to 20 times more massive than our sun.

These fierce winds are sculpting the surrounding material - composed of gas and dust - into the curved shape that astronomers have named it the Bubble Nebula (NGC 7635). The nebula is 10 light-years across, more than twice the distance from Earth to the nearest star.The glowing gas is a dense region of material that is getting blasted by radiation from the nebula's massive star.

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Bubble Nebula, Keith Grice