The blue reflection nebula VdB 31 is entirely composed of interstellar dust clouds. VdB 31 reflects the blue light emitted from the hot star AB Aurigae located within it. Observations around AB Aurigae with the Hubble Space Telescope captured this young star, millions of years old, surrounded by a flat dust disk. AB Aurigae is located approximately 470 light-years away (1 light-year is the distance light travels in one year, about 9.46 trillion kilometers).
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