: Astronomie: Pleiades

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Pleiades

A prominent open cluster in the constellation Taurus, popularly called the Seven Sisters. It is a very young cluster of several hundred stars (with spectral types B6 and later), spanning over 1.5 degrees on the sky and about 400 light-years distant. Six members of the cluster are visible to the naked eye, the brightest one being Alcyone. The cluster contains extensive nebulosity, consisting of dust clouds that reflect the light of the embedded stars. (An Etymological Dictionary of Astronomy and Astrophysics, by M. Heydari-Malayeri, https://dictionary.obspm.fr/index.php?formSearchTextfield=pleiades&formSubmit=Search&showAll=1)
The Pleiades also known as The Seven Sisters, Messier 45 and other names by different cultures, is an asterism and an open star cluster containing middle-aged, hot B-type stars in the north-west of the constellation Taurus. At a distance of about 444 light years, it is among the nearest star clusters to Earth. It is the nearest Messier object to Earth, and is the most obvious cluster to the naked eye in the night sky. (Wikipedia, The Free Encyclopedia, https://en.wikipedia.org/wiki/Pleiades)

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