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... see more at Petfinder.comIrish (RED) ·4 days ago on Petfinder.comTools
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... see more at Petfinder.comGaia ·Over 4 weeks ago on Petfinder.comTools
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Welcome to Astronomy 101! Class is now in session. POP QUIZ: 1. According to the leading experts in astrophysics, which of the following is the MOST accurate definition of a nova: A. The strong and sudden increase in brightness of a white dwarf st...Nova ·Over 4 weeks ago on Petfinder.comTools
