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2. Galaxy - Wikipedia

   en.wikipedia.org/wiki/Galaxy

   Galaxies, averaging an estimated 100 million stars, [3] range in size from dwarfs with less than a thousand stars, [4] to the largest galaxies known – supergiants with one hundred trillion stars, each orbiting its galaxy's centre of mass. Most of the mass in a typical galaxy is in the form of dark matter, with only a few per cent of that mass ...

3. List of proper names of stars - Wikipedia

   en.wikipedia.org/wiki/List_of_proper_names_of_stars

   In 2016, the International Astronomical Union (IAU) organized a Working Group on Star Names (WGSN) [2] to catalog and standardize proper names for stars. The WGSN's first bulletin, dated July 2016, [3] included a table of 125 stars comprising the first two batches of names approved by the WGSN (on 30 June and 20 July 2016) together with names of stars adopted by the IAU Executive Committee ...

4. List of galaxies - Wikipedia

   en.wikipedia.org/wiki/List_of_galaxies

   Size (left) and distance (right) of a few well-known galaxies put to scale. There are an estimated 100 billion galaxies in all of the observable universe. [1] On the order of 100,000 galaxies make up the Local Supercluster, and about 51 galaxies are in the Local Group (see list of nearest galaxies for a complete list).

5. New James Webb telescope pictures zoom in on various ... - AOL

   www.aol.com/james-webb-telescope-pictures-zoom...

   The largest galaxies are called elliptical because they look like big globes of light emitted from a multitude of stars. The most famous elliptical galaxy is M87, which has up to 2.4 trillion stars.

6. Lists of stars - Wikipedia

   en.wikipedia.org/wiki/Lists_of_stars

   The following are lists of stars. ... Timeline of knowledge about galaxies, clusters of galaxies, and large-scale structure; Timeline of white dwarfs, neutron stars ...

7. Star - Wikipedia

   en.wikipedia.org/wiki/Star

   [110] [111] [112] Most stars are within galaxies, but between 10 and 50% of the starlight in large galaxy clusters may come from stars outside of any galaxy. [113] [114] [115] A multi-star system consists of two or more gravitationally bound stars that orbit each other. The simplest and most common multi-star system is a binary star, but ...