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Astronomy Picture of the Day
M42: Wisps of the Orion Nebula
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#96305
by
[z]Barbara Harris
@
21.11.2006 00:00
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M42: Wisps of the Orion Nebula
Explanation: The
Great Nebula in Orion
, an immense, nearby
starbirth region
, is probably the most famous of all
astronomical nebulas
. Here,
glowing gas
surrounds hot young stars at the edge of an
immense
interstellar
molecular cloud
only 1500
light-years
away. In the
above deep image
, faint wisps and sheets of
dust
and gas are particularly evident. The
Great Nebula in Orion
can be found with the unaided eye just below and to the left of the
easily identifiable
belt of three stars in the popular
constellation
Orion
. In addition to housing a bright
open cluster
of stars known as the
Trapezium
, the
Orion Nebula
contains many
stellar nurseries
. These nurseries contain
hydrogen
gas, hot young stars,
proplyds
, and
stellar jets
spewing material at high speeds. Also known as
M42
, the
Orion Nebula
spans about 40
light years
and is located in the same
spiral arm
of
our Galaxy
as the
Sun
.
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