Galaxy PNG

Galaxy PNG

Galaxy is a name given to systems of stars, stellar debris, interstellar gas, dust, and dark matter held together by gravity. All of this material is held within the galaxy by gravity, and one of the factors that provide this enormous gravity is the black holes at the center of most galaxies.

Planets in galaxies, moons of planets, asteroids, stars, dust, nebulae, dark matter and neutron stars form over millions of years. There are many galaxies in our Universe, each with a magnificent star system and gas community.