Galaxies-part-2-Crash-Course-Astronomy-39

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Active galaxies pour out lots of energy, due to their central supermassive black holes gobbling down matter. Galaxies tend not to be loners, but instead exist in smaller groups and larger clusters. Our Milky Way is part of the Local Group, and will one day collide with the Andromeda galaxy. Clust... More

2015-11-05

Added Nov 5, 2015  

Channel Education

Duration 15:35   |   views 386414


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