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Where does the extra energy come from in blueshift

UNITED STATES / SEP 26, 2018 2:17 PM EST



If up your ass, you'd know.

UNITED STATES / SEP 26, 2018 7:20 PM EST
🤷🏻‍♀️ dunno

UNITED STATES / SEP 26, 2018 2:19 PM EST