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Астронет: Астрономическая картинка дня Паук и муха http://variable-stars.ru/db/msg/1397007/eng |
Credit & Copyright: Joe Morris
Explanation:
Will the spider ever catch the fly?
Not if both are large emission nebulas toward the constellation of
the Charioteer
(Auriga).
The spider-shaped
gas cloud on the left is actually an emission nebula labelled
IC 417,
while the smaller fly-shaped cloud on the right is dubbed
NGC 1931 and
is both an emission nebula and a reflection nebula.
About 10,000
light-years distant, both nebulas harbor young, open star clusters.
For scale, the more compact
NGC 1931 (Fly) is about 10 light-years across.
Authors & editors:
Robert Nemiroff
(MTU) &
Jerry Bonnell
(USRA)
NASA Web Site Statements, Warnings,
and Disclaimers
NASA Official: Jay Norris.
Specific
rights apply.
A service of:
LHEA at
NASA /
GSFC
& Michigan Tech. U.