Pluto’s Four Tiny Moons’ Topsy-Turvy Tumbles | Animation
Monday, November 9, 2015 - 13:30
in Astronomy & Space
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.