With Only Hubble, we see the material as Only Hubble left the star's visible surface and moved out through the atmosphere, before the dust formed that caused the star to appear to dim, only Hubble gives us this evidence of what led up to the dimming.

Andrea Dupree

Andrea Dupree is a senior astrophysicist at the Harvard-Smithsonian Center for Astrophysics. She is a Past-President of the American Astronomical Society, and served as the Associate Director of the Harvard-Smithsonian Center for Astrophysics. Dr. Dupree also served as Head of the Solar, Stellar and Planetary Sciences Division for a dozen years.

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