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Astronomy Picture of the Day
The Mysterious Cone Nebula
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#83056
by
[z]Barbara Harris
@
26.12.2005 00:00
- nach oben -
The Mysterious Cone Nebula
Explanation: Sometimes the simplest shapes are the hardest to explain. For example, the origin of the mysterious
cone-shaped region
seen on the far left remains a mystery. The interstellar formation, dubbed the
Cone Nebula
, is located about 2700
light years
away. Other features in the image include red
emission
from diffuse
interstellar hydrogen
, wispy filaments of
dark dust
, and bright star
S Monocerotis
, visible on the far right. Blue
reflection nebulae
surround the brighter stars. The dark
Cone Nebula
region clearly contains much
dust
which blocks light from the
emission nebula
and
open cluster
NGC 2264
behind it.
One hypothesis
holds that the Cone Nebula is formed by
wind particles
from an energetic source blowing past the
Bok Globule
at the head of the
cone
.
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