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Astronomy Picture of the Day
NGC 7635: The Bubble Nebula
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zorg.ch
#81571
by
[z]Barbara Harris
@
08.11.2005 00:00
- nach oben -
NGC 7635: The Bubble Nebula
Explanation:
It's the bubble versus the cloud.
NGC 7635, the
Bubble Nebula
,
is being pushed out by the
stellar wind
of massive central star
BD+602522
.
Next door, though, lives a giant
molecular cloud
,
visible above to the lower right.
At this place in space,
an irresistible force meets an immovable object in an
interesting way.
The
cloud
is able to contain the expansion of the bubble gas,
but gets blasted by the hot radiation from the
bubble
's central star.
The
radiation
heats up dense regions of the
molecular cloud
causing it to glow.
The
Bubble Nebula
,
pictured above
in scientifically mapped colors to bring up contrast, is about 10
light-years
across and part of a much larger complex of stars and shells.
The
Bubble Nebula
can be seen with a small telescope towards the
constellation
of
Cassiopeia
.
Credit & Copyright
zorg.ch
#81572
by
[z]bert
@
08.11.2005 00:12, edited @
08.11.2005 00:13
- nach oben -
da isch doch wieder mol es traumhafts hindergrundbild... sogar gross gnueg.
leider bruch i so zueg noe, well i eh immer fenschter devor han.