This ball of stars named Terzan 5 may be one of the Milky Way's original building blocks
Astronomers using the James Webb Space Telescope have identified the globular cluster Terzan 5 as a potential fossil relic from the Milky Way's formation. Its unique star composition suggests it may be a surviving building block of the galaxy's central bulge.
Why it matters
This discovery provides critical evidence for understanding the early formation and evolution of the Milky Way galaxy.
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