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A comment on Sharpest ever view of the Andromeda Galaxy (2015). Parent comment

Re:Sharpest ever view of the Andromeda Galaxy (2015) by antognini on Wednesday July 06, 2016 @12:31PM (#12044170)
The photons almost all originated in stars in the Andromeda Galaxy. A very small number reflected off of gas in the interstellar medium, but nothing your eye could detect.
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