Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. For Andromeda , even postulated that it was home to another technological civilization that communicated with us. Like the Milky Way , Andromeda's galactic center appears to harbor an X-ray source characteristic of a black hole of a million or more solar masses. The blue source located right at the galaxy's center is coincident with the position of the suspected massive black hole.
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