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NGC 2170 (Reflection Nebula)


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NGC 2170
Reflection Nebula (反射星雲)
Nb RN


別名 (Other names)
LBN 994

星座 (Constellation)
いっかくじゅう座 (Mon) (Monoceros)


距離 (Distance)
2,400光年 (2,400 light-years)

NGC 2170 is a reflection nebula located 2,400 light years from the Earth in the constellation Monoceros.

NGC 2170 (Reflection Nebula) : Picture

NGC 2170: Celestial Still Life
NGC 2170: Celestial Still Life
(C) NASA
Is this a painting or a photograph? In this beautiful celestial still life composed with a cosmic brush, dusty nebula NGC 2170 shines near the image center. Reflecting the light of nearby hot stars, NGC 2170 is joined by other bluish reflection nebulae, a red emission region, many dark absorption nebulae, and a backdrop of colorful stars. Like the common household items still life painters often choose for their subjects, the clouds of gas, dust, and hot stars pictured above are also commonly found in this setting - a massive, star-forming molecular cloud in the constellation Monoceros. The giant molecular cloud, Mon R2, is impressively close, estimated to be only 2,400 light-years or so away. At that distance, this canvas would be over 60 light-years across.

Barnard Stares at NGC 2170
Barnard Stares at NGC 2170
(C) NASA
A gaze across a cosmic skyscape, this telescopic mosaic reveals the continuous beauty of things that are. The evocative scene spans some 6 degrees or 12 Full Moons in planet Earth's sky. At the left, folds of red, glowing gas are a small part of an immense, 300 light-year wide arc. Known as Barnard's loop, the structure is too faint to be seen with the eye, shaped by long gone supernova explosions and the winds from massive stars, and still traced by the light of hydrogen atoms. Barnard's loop lies about 1,500 light-years away roughly centered on the Great Orion Nebula, a stellar nursery along the edge of Orion's molecular clouds. But beyond lie other fertile star fields in the plane of our Milky Way Galaxy. At the right, the long-exposure composite finds NGC 2170, a dusty complex of nebulae near a neighboring molecular cloud some 2,400 light-years distant.

NGC2170
NGC 2170
(C) NASA

NGC2170 NGC2170
NGC 2170
(C) NASA
NGC 2170
(C) NASA
NGC2170 NGC2170
NGC 2170
(C) NASA
NGC 2170
(C) NASA
NGC2170 NGC2170
NGC 2170
(C) NASA
NGC 2170
(C) NASA
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