Pluto and a fourth new moon. Hubble Space Telescope (HST) image of the dwarf planet Pluto (centre) surrounded by its four moons Charon (lower left),Nix (lower right),Hydra (upper left) and a faint newly discovered moon,P4,to the upper right of Nix. P4 is the smallest moon of Pluto discovered so far,with a diameter of between 13 adn 34 kilometres. It makes a complete orbit of Pluto roughly every 32 days. Image taken by the Wide Field Camera 3 on the HST,on 28th June 2011 | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / STScI / ESA / NASA |
Bildgröße: | 1870 px × 1870 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |