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M82, a starburst galaxy that has ten times the star formation of a "normal" galaxy [111] Stars are created within galaxies from a reserve of cold gas that forms giant molecular clouds. Some galaxies have been observed to form stars at an exceptional rate, which is known as a starburst. If they continue to do so, they would consume their reserve ...
[citation needed] The surveys are most often made of nearby stars in the Milky Way galaxy. [citation needed] The total number of stars counted in a particular direction depends on the location and density of stars, the luminosity function, and the absorption. [2] Star count programs can therefore collect data that bounds or determines these ...
This is a list of star systems within 75–80 light years of Earth. The closest B-type star, Regulus , is in this list. This list is incomplete ; you can help by adding missing items .
The Persian astronomer Nasir al-Din al-Tusi (1201–1274) in his Tadhkira wrote: "The Milky Way, i.e. the Galaxy, is made up of a very large number of small, tightly clustered stars, which, on account of their concentration and smallness, seem to be cloudy patches. Because of this, it was likened to milk in color."
Logo used until 2015. Samsung Galaxy (Korean: 삼성 갤럭시; stylized as SAMSUNG Galaxy since 2015 (except Japan where it omitted the Samsung branding up until 2023), [2] previously stylized as Samsung GALAXY; abbreviated as SG) is a series of computing and Android mobile computing devices that are designed, manufactured and marketed by Samsung Electronics since 29 June 2009.
The white dwarf luminosity function (WDLF) gives the number of white dwarf stars with a given luminosity. As this is determined by the rates at which these stars form and cool, it is of interest for the information it gives about the physics of white dwarf cooling and the age and history of the Galaxy. [3] [4]
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Second largest galaxy in the group, which may or may not be the most massive galaxy of the group. [13] Diameter (D 25 isophote): 87,400 light-years Mass: (1.54 ± 0.1) × 10 12 M ☉ Number of stars: (2.5 ± 1.5) × 10 11. Triangulum Galaxy (M33, NGC 598) SAcd Triangulum: Third largest, only unbarred spiral galaxy and possible satellite of the ...