Galaxies formation mechanism

A Galaxy is a gravitational form system contains stars, planets, interstellar matters, dusts, gases, dark matter, energy, and of course a black hole normally at a center. Grouping In observable universe there is almost 200 billion galaxies, bound together with their gravity. astronomers has grouped the galaxies on clusters, superclusters local groups and. Our galaxy […]

via Galaxies — astroarabia

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