Nearby Gas Clouds Actually Form Behemoth Structure That Might Be the Milky Way’s Arm, Study Finds – Gizmodo

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Astronomers have discovered that many of the star-forming regions we see in the sky actually seem to form an undulating, 8,800-light-year-long wave containing 3 million solar masses’ worth of gas that could make up our local arm of the Milky Way galaxy.

Author: Ryan F. Mandelbaum

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