zubat: “ z-v-k: “ M60-UCD1 black hole, via NASA ” I can’t believe this was posted without elaborating on how cool this discovery is! This black hole is five times the mass of the one at the center of our Milky Way galaxy. It is inside one of the...

zubat:

z-v-k:

M60-UCD1 black hole, via NASA

I can’t believe this was posted without elaborating on how cool this discovery is!

This black hole is five times the mass of the one at the center of our Milky Way galaxy. It is inside one of the densest galaxies known to date — the M60-UCD1 dwarf galaxy that crams 140 million stars within a diameter of about 300 light-years, which is only 1/500th of our galaxy’s diameter. 

This is a literally a monster black hole lurking inside one of the tiniest galaxies ever known. If you lived inside this dwarf galaxy, the night sky would dazzle with at least 1 million stars visible to the naked eye. Our nighttime sky as seen from Earth’s surface shows 4,000 stars.

The finding implies there are many other compact galaxies in the universe that contain supermassive black holes. The observation also suggests dwarf galaxies may actually be the stripped remnants of larger galaxies that were torn apart during collisions with other galaxies rather than small islands of stars born in isolation.


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