Astronomy Picture of the Day

NGC 7635: The Bubble

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#95235 by @ 19.10.2006 00:00 - nach oben -
NGC 7635: The Bubble

What created this huge space bubble?

Blown by the wind from a star, this
tantalizing, ghostly
apparition is cataloged as NGC 7635, but known simply
as The
Bubble Nebula

Astronomer Eric Mouquet's
striking view utilizes a long exposure with
hydrogen alpha
light to reveal the intricate details of
this cosmic bubble and its environment.

Although it looks delicate, the 10
diameter bubble offers evidence of
violent processes at work.

Seen here above and right of the Bubble's center is a bright
hot star embedded in reflecting dust.

A fierce
stellar wind
and intense radiation from the star, which likely has a mass 10 to 20 times that
of the Sun,
has blasted out the
structure of glowing gas
against denser material in a surrounding molecular cloud.

The intriguing Bubble Nebula lies a mere 11,000 light-years away toward the boastful

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