An animation to explain the (apparent) retrograde motion of Mars using actual 2020 planetary positions pic.twitter.com/Q04ylx5Kth
— Dr James O'Donoghue (@physicsJ) July 14, 2020
via Twitter https://twitter.com/physicsJ
July 14, 2020 at 06:39PM
An animation to explain the (apparent) retrograde motion of Mars using actual 2020 planetary positions pic.twitter.com/Q04ylx5Kth
— Dr James O'Donoghue (@physicsJ) July 14, 2020
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