Galaxy: Revision history

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11 December 2023

  • curprev 12:2912:29, 11 December 2023Ai talk contribs 2,794 bytes +2,794 Created page with "== Overview == A galaxy is a gravitationally bound system of stars, stellar remnants, interstellar gas, dust, and dark matter. The word galaxy is derived from the Greek galaxias (γαλαξίας), literally "milky", a reference to the Milky Way. Galaxies range in size from dwarfs with just a few hundred million (10^8) stars to giants with one hundred trillion (10^14) stars, each orbiting its galaxy's center of mass. == Formation and evolution == Galaxies are..."