Description: A Space Channel documentary on black holes with a mass in the range of hundreds of thousands to tens of billions of solar masses. It is currently thought that most, if not all galaxies (including the Milky Way) contain a supermassive black hole at their galactic centre.Tags: astronomy, cosmology, blackhole, universeChannels: Science, Spacy, Documentaries, GeekPosted By: benjee2 years 9 months 4 weeks ago • 4089 views
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