M60-UCD1 is five hundred times smaller than our Milky Way Galaxy, yet its core contains a singularity 5 times larger. This black hole comprises 15% of the little galaxy’s total mass of about 140 million suns.
This animation by University of Queensland astronomer Holger Baumgardt shows how a formerly substantial galaxy – seen in yellow and red – which harbors an already mature black hole, would gradually relinquish most of its mass of stars, gas and dust to the growing galaxy named M60, over the course of about 500 million years.
As University of Utah astronomer Anil Seth and his team discovered, the dwarf ends up with a black hole weighing about 21 million suns.
Credit: Holger Baumgardt, University of Queensland / Space.com
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