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Old and new stars paint very different pictures of the Triangulum galaxy

Submitted by Arts & Sciences Web Team on January 10, 2023 - 4:00pm
Composite HST image of Triangulum galaxy compared to distributions of old and young stars.
A. Smercina/M.J. Durbin/J. Dalcanton/B.F. Williams/University of Washington/NASA/ESA

The Panchromatic Hubble Andromeda Treasury Triangulum Extended Region — or PHATTER — survey has given astrophysicists an in-depth look at the Triangulum galaxy in different wavelength filters. Dr. Adam Smercina reveals the surprising discovery that the old and young stars trace form structures within the galaxy

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