The Milky Way's Arms Reach Out Further Than we Thought

July 08, 2026 Universe Today

The Milky Way's Arms Reach Out Further Than we Thought
By Matthew Williams (https://ift.tt/TrFOL1J)

An artist’s concept showing the Milky Way galaxy as seen from above, with the estimated positions of spiral arms based on previous data, in blue. Credit: NASA/CXC/SAO/M.Weiss

A new result using NASA’s Chandra X-ray Observatory shows that the outer spiral arms in the Milky Way galaxy may reach wider than previously thought. This finding may lead astronomers to adjust their understanding of our home galaxy’s structure.

July 9, 2026 at 02:44AM
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