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2. Messier 75 - Wikipedia

   en.wikipedia.org/wiki/Messier_75

   Messier 75 is part of the Gaia Sausage, the hypothesized remains of a dwarf galaxy that merged with the Milky Way. [10] It is a halo object with an orbital period of 0.4 billion years to travel around the galaxy on a very pronounced ellipse, specifically eccentricity of 0.87. The apocenter (maximal distance from Earth) is about 57,000 ly ...

3. Messier object - Wikipedia

   en.wikipedia.org/wiki/Messier_object

   Charles Messier. The first edition of 1774 covered 45 objects (M1 to M45).The total list published by Messier in 1781 contained 103 objects, but the list was expanded through successive additions by other astronomers, motivated by notes in Messier's and Méchain's texts indicating that at least one of them knew of the additional objects.

4. File:MessierStarChart.svg - Wikipedia

   en.wikipedia.org/wiki/File:MessierStarChart.svg

   Simple single page Star Chart for the Messier Objects. SVG format. -- w:Jim Cornmell 11:45, 6 September 2006 (UTC) File usage. The following 52 pages use this file:

5. Small Sagittarius Star Cloud - Wikipedia

   en.wikipedia.org/wiki/Small_Sagittarius_Star_Cloud

   The Small Sagittarius Star Cloud (also known as Messier 24 and IC 4715) is a star cloud in the constellation of Sagittarius approximately 600 light years wide, which was catalogued by Charles Messier in 1764. [4] The stars, clusters and other objects comprising M24 are part of the Sagittarius or Sagittarius-Carina arms of the Milky Way galaxy ...

6. File:MessierStarChart el.svg - Wikipedia

   en.wikipedia.org/wiki/File:MessierStarChart_el.svg

   Main page; Contents; Current events; Random article; About Wikipedia; Contact us; Pages for logged out editors learn more

7. Double Cluster - Wikipedia

   en.wikipedia.org/wiki/Double_Cluster

   In comparison, the Pleiades have an estimated age ranging from 75 million years to 150 million years. There are more than 300 blue-white super-giant stars in each of the clusters. The clusters are also blueshifted , with NGC 869 approaching Earth at a speed of 39 km/s (24 mi/s) and NGC 884 approaching at a similar speed of 38 km/s (24 mi/s). [ 3 ]