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Post Tagged with: "Big Bang"

Image credit: NASA/Hubble Space Telescope. Collision of spiral galaxies NGC 2207 and IC 216.

13.7 Billion Years of Galaxy Formation in 46 Seconds

Galaxies¬†are thought to be vast systems consisting of planets, stars, dust, gas as well as dark matter which are bound together by gravity. Based on scientific estimation, there are as many as 170 billion galaxies in the observable universe and their sizes are different, ranging from tens of millions of […]

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