This is a news story, published by Live Science, that relates primarily to Andromeda news.
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supergiant star M31Live Science
•74% Informative
M31-2014 -DS1 has a mass 20 times greater than the sun and is located 2.5 million light-years away in Andromeda galaxy.
Astronomers think it is one of the first ever examples of a type of stellar collapse known as a "failed supernova" Astronomers say 98% of the star's mass collapsed, leaving behind a black hole with 6.5 solar masses.
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