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NGC 1039 (Open Cluster, M34)


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NGC 1039, M34
Open Cluster (散開星団)
OC II3m


別名 (Other names)
OCL 382, Messier 34

明るさ (Brightness)
5.2等級

星座 (Constellation)
ペルセウス座 (Per) (Perseus)

距離 (Distance)
1,800光年 (1,800 light-years)

NGC 1039 (M34) is an open cluster located 1,800 light years from the Earth in the constellation Perseus.

NGC 1039 (Open Cluster, M34) : Picture

Star Cluster M34
Star Cluster M34
(C) Bob Franke
This pretty, open cluster of stars, M34, is about the size of the Full Moon on the sky. Easy to appreciate in small telescopes, it lies some 1,800 light-years away in the constellation Perseus. At that distance, M34 physically spans about 15 light-years. Formed at the same time from the same cloud of dust and gas, all the stars of M34 are about 200 million years young. But like any open star cluster orbiting in the plane of our galaxy, M34 will eventually disperse as it experiences gravitational tides and encounters with the Milky Way's interstellar clouds and other stars. Over four billion years ago, our own Sun was likely formed in a similar open star cluster.

M34, NGC1039
M34, NGC1039
(C) REU program/NOAO/AURA/NSF

M34 M34, NGC1039
M34
(C) Bob Franke
M34, NGC1039
(C) NOAO
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NGC 1039 (Open Cluster, M34) : Movie

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