The tranquil conditions of the Moon’s orbit don’t apply to Pluto’s small natural satellites

The tranquil conditions of the Moon’s orbit don’t apply to Pluto’s small natural satellites
Images of the tiny moon – and sent back to Earth this week – complete the family portrait of the dwarf planet’s moons
The dwarf planet’s smaller moons, Nix and Hydra, have been showing off their surface features
The debate surrounding Pluto’s size has finally been settled, according to brand new results returned by the spacecraft