HST PHAT wide image of M31
This image from Hubble spans 7,900 light-years and reveals M31’s crowded central region. The bright area to the right of the center is a grouping of stars nestled around the galaxy’s black hole. The blue dots sprinkled throughout the image are ultra-blue stars that have prematurely cast off their outer layers of material, exposing their extremely hot cores.
Image Credit: NASA, ESA and B. Williams and J. Dalcanton (University of Washington, Seattle)
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https://science.nasa.gov/image-detail/hst-phat-wide-image-of-m31/
Image CreditNASA, ESA and B. Williams and J. Dalcanton (University of Washington, Seattle)
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