Pleiads

The Pleiads also known as Seven Sisters or Messier 45 (M45) is a prominent open star cluster in the Constellation Taurus located at 444 light-years from Earth.  It is one of the nearest star clusters to Earth and is visible to the naked eye as a tiny, blue-tinted misty dipper of stars

It contains over 1000 stars, though only six to seven are visible to the naked eye. It is a young cluster consisting of hot B type stars formed within the last few million years. 

In Greek mythology Seven Sisters were the seven daughters of the Titan Atlas and the sea nymph Pleione. Pursued by hunter Orion Zeus transformed them into stars to protect them. 

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