Explanation: M7 is one of the most prominent open clusters of stars on the sky. The cluster, dominated by bright blue stars, can be seen with the naked eye in a dark sky in the tail of the constellation of the Scorpion (Scorpius). M7 contains about 100 stars in total, is about 200 million years old, spans 25 light-years across, and lies about 1000 light-years away. The featured wide-angle image was taken near the city of Belo Horizonte in Brazil. The M7 star cluster has been known since ancient times, being noted by Ptolemy in the year 130 AD. Also visible are a dark dust cloud on the lower right, and, in the background, literally millions of unrelated stars towards the Galactic center.

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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.

Publikacii s klyuchevymi slovami: M 7 - open cluster - Rasseyannoe skoplenie Publikacii so slovami: M 7 - open cluster - Rasseyannoe skoplenie
Sm. takzhe: Dvoinoe skoplenie v Persee Pleyady: zvezdnoe skoplenie Sem' sester Dvoinoe zvezdnoe skoplenie v Persee NGC 7380: tumannost' Koldun NGC 3572 i Yuzhnye Golovastiki M44: skoplenie Ulei Tri skopleniya v Korme Vse publikacii na tu zhe temu >>