ERIK MARTIN WILLÈN
Author of science fiction
Tuesday, November 24, 2015
The (Almost) Venus-Earth Pentagram
8 Earth years are roughly equal to 13 Venus years, meaning the two planets approximately trace out this pattern with 5-fold symmetry as they orbit the Sun.
Article:
https://www.uwgb.edu/dutchs/AstronNotes/Earth-Venus.htm
Animation credit: matthen
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