Galileo Galilei

messier 45,m45,seven sisters

Messier 45: Pleiades

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Messier 45 (M45), also known as the Pleiades or Seven Sisters, is a bright open star cluster located in the constellation Taurus, the Bull. The Pleiades cluster has an apparent magnitude of 1.6 and lies at an averageĀ  distance of 444 light years from Earth. The cluster is also known as Melotte 22. It does not have an NGC designation.
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beehive cluster,m44,praesepe

Messier 44: Beehive Cluster

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Messier 44 (M44), also known as the Beehive Cluster or Praesepe (the Manger), is an open star cluster in the constellation Cancer. Praesepe is a bright, large cluster with an apparent magnitude of 3.7. It lies at a distance of 577 light years from Earth. It has the designation NGC 2632 in the New General Catalogue.
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trapezium cluster,orion trapezium cluster

Trapezium Cluster

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The Trapezium Cluster is a young open star cluster located in the centre of the Orion Nebula (M42). The cluster has an apparent magnitude of 4.0 and lies at a distance of 1,600 light years from Earth. It occupies an area of only 47 arc seconds of apparent sky.
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orion nebula

Messier 42: Orion Nebula

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Messier 42 (M42), the famous Orion Nebula, is an emission-reflection nebula located in the constellation Orion, the Hunter. With an apparent magnitude of 4.0, the Orion Nebula is one of the brightest nebulae in the sky and is visible to the naked eye. It lies at a distance of 1,344 light years from Earth and is the nearest stellar nursery to Earth. The nebula has the designation NGC 1976 in the New General Catalogue.
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