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NGC 290 (Stellar Jewel Box)


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NGC 290
Open Cluster (散開星団)
Stellar Jewel Box (恒星の宝石箱)
OC OCL


別名 (Other names)
ESO 29-SC19 in SMC

明るさ (Brightness)
12.0等級

距離 (Distance)
200,000光年 (200,000 light-years)

星座 (Constellation)
きょしちょう座 (Tuc) (Tucana)

NGC 290 (Stellar Jewel Box) is an open cluster located 200,000 light years from the Earth in the constellation Tucana.

NGC 290 (Stellar Jewel Box) : Picture

Open Cluster NGC 290
Open Cluster NGC 290: A Stellar Jewel Box
(C) ESA & NASA; Acknowledgement: E. Olszewski (U. Arizona)
Jewels don't shine this bright -- only stars do. Like gems in a jewel box, though, the stars of open cluster NGC 290 glitter in a beautiful display of brightness and color. The photogenic cluster, pictured above, was captured recently by the orbiting Hubble Space Telescope. Open clusters of stars are younger, contain few stars, and contain a much higher fraction of blue stars than do globular clusters of stars. NGC 290 lies about 200,000 light-years distant in a neighboring galaxy called the Small Cloud of Magellan (SMC). The open cluster contains hundreds of stars and spans about 65 light years across. NGC 290 and other open clusters are good laboratories for studying how stars of different masses evolve, since all the open cluster's stars were born at about the same time.

NGC 290
Open Cluster NGC 290: A Stellar Jewel Box
(C) ESA & NASA
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NGC 290 (Stellar Jewel Box) : Movie

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