'Astronomers have to revise estimates': The Milky Way may be larger, heavier and more lopsided than we realized - Live Science

New measurements of cosmic echoes suggest that two of the Milky Way's spiral arms are 10% farther away than previously estimated. These findings may force astronomers to revise current models regarding the galaxy's total size, mass, and shape.
Why it matters
Advances in galactic mapping improve our fundamental understanding of the structure and evolution of the Milky Way.
New measurements suggest that two of the Milky Way's spiral arms are around 10% farther away from Earth than we thought. The findings may require experts to revise estimates of the total size of our home galaxy.
Scientific reporting based on astronomical research findings.
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