Hydra, Nix, Kerberos and Styx behave like 'spinning tops" according to SETI Institute's Mark Showalter. Hydra - the fastest rotation - spins at dizzying 89 times per Pluto orbit.
Hydra, Nix, Kerberos and Styx behave like 'spinning tops" according to SETI Institute's Mark Showalter. Hydra - the fastest rotation - spins at dizzying 89 times per Pluto orbit.
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