Conversations I Wish I Had

Dwarf Galaxy

thecosmicpost

By: Tyler Arsen

On a clear night, it is estimated that between 2,500 and 5,000 stars are visible in the sky. This seems like a large amount…and it is! The night sky illuminated by the stars has made for some beautiful photographs. However, if you were standing on a planet in the newly discovered M60- UCD1 galaxy, the sky would light up with at least 1 million visible stars.

This super-compact dwarf galaxy is only 300 light years across, compared with our Milky Way’s 100,000 light year diameter.

Artist’s concept of supermassive black hole within M60-UCD1 Artist’s concept of supermassive black hole within M60-UCD1

Even more interesting, this galaxy is home to a supermassive black hole that is 5 times larger than the black hole at the center of the Milky Way. It’s mass is a stunning 15 percent of the total mass of the galaxy. How did astronomers measure the size of the black hole? They used…

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This entry was posted on November 27, 2014 by .
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