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the spectacular cataclysm
that is a supernova. In many
stars the end is more
reserved, as the star's outer
layers are blown into space.
The Ring Nebula is an
example of this process. It is
one of many "planetary"
nebula, so named for the
similarity their pale/greenish
discs had to Uranus in the
telescopes of the 18th
century.
SBIG ST10XME
CFW8
LRGB:
L= 2 min x 21, 1x1
R= 5 min x 5, 2x2
G= 5 min x 4, 2x2
B= 5 min x 5, 2x2
Processed with CCDsoft
and Adobe PS
