For astronomers, discovering new worlds, stars, and even entire galaxies is really only half the battle. Once discovered, explaining how new features of space formed, and where they came from, often means extensive research and a bit of guesswork. A new research effort aimed at uncovering some of the secrets of how our home galaxy, the Milky Way, formed, astronomers believe they’ve found evidence of an ancient collision.
A new paper published in Nature Astronomy suggests that the Milky Way slammed into a smaller “dwarf” galaxy long ago, swallowing up a huge amount of mass and using it as fuel to churn out new stars for billions of years afterward.
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Astronomers now believe our galaxy once swallowed a smaller galaxy originally appeared on BGR.com on Tue, 23 Jul 2019 at 17:44:17 EDT. Please see our terms for use of feeds.
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