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  2. Orion Nebula - Wikipedia

    en.wikipedia.org/wiki/Orion_nebula

    The Trapezium Cluster is a component of the much larger Orion Nebula cluster, an association of about 2,800 stars within a diameter of 20 light years. [10] The Orion Nebula is in turn surrounded by the much larger Orion molecular cloud complex which is hundreds of light years across, spanning the whole Orion Constellation.

  3. NGC 1980 - Wikipedia

    en.wikipedia.org/wiki/NGC_1980

    The Orion Nebula M42 with NGC 1980 on the right (right is south) NGC 1980 (also known as OCL 529, Collinder 72 and The Lost Jewel of Orion [6]) is a young open cluster associated with an emission nebula in the constellation Orion. It was discovered by William Herschel on 31 January 1786. [7]

  4. List of largest star clusters - Wikipedia

    en.wikipedia.org/wiki/List_of_largest_star_clusters

    Globular cluster: Nearest globular cluster to the Earth. Also the first globular cluster known to have exoplanets (PSR B1620-26b) Messier 12: 74.4 [28] Messier 70: 68 [29] NGC 290: 66 [30] Open cluster: Messier 28: 60 [31] Globular cluster: Messier 18: 52.4 [32] Open cluster: The following notable star clusters are listed for the purpose of ...

  5. Trapezium Cluster - Wikipedia

    en.wikipedia.org/wiki/Trapezium_Cluster

    The Trapezium or Orion Trapezium Cluster, also known by its Bayer designation of Theta 1 Orionis (θ 1 Orionis), is a tight open cluster of stars in the heart of the Orion Nebula, in the constellation of Orion. It was discovered by Galileo Galilei. On 4 February 1617 he sketched three of the stars (A, C and D), but missed the surrounding ...

  6. Orion's Sword - Wikipedia

    en.wikipedia.org/wiki/Orion's_Sword

    Orion's Sword is a compact asterism in the constellation Orion.It comprises three stars (42 Orionis, Theta Orionis, and Iota Orionis) and M42, the Orion Nebula, which together are thought to resemble a sword or its scabbard.

  7. Messier object - Wikipedia

    en.wikipedia.org/wiki/Messier_object

    The catalogue consists of a diverse range of astronomical objects, from star clusters and nebulae to galaxies. For example, Messier 1 is a supernova remnant , known as the Crab Nebula , and the great spiral Andromeda Galaxy is M31.

  8. Messier 41 - Wikipedia

    en.wikipedia.org/wiki/Messier_41

    Messier 41 (also known as M41 or NGC 2287) is an open cluster in the constellation Canis Major.It is sometimes referred to as the Little Beehive Cluster. [4] It was discovered by Giovanni Batista Hodierna before 1654 and was perhaps known to Aristotle about 325 BC. [5]

  9. Messier 3 - Wikipedia

    en.wikipedia.org/wiki/Messier_3

    Messier 3 is the prototype for the Oosterhoff type I cluster, which is considered "metal-rich". That is, for a globular cluster, Messier 3 has a relatively high abundance of heavier elements. [15] Arcturus and Cor Caroli can be used to help locate M3