Essential facts about this distant dwarf world:
⢠Takes over 300 Earth years to orbit the Sun once
⢠Surface is coated in frozen methane pellets turned reddish by cosmic rays
⢠Its discovery helped trigger Plutoās reclassification as a dwarf planet
⢠Orbited by MK2, a tiny moon as black as charcoal
⢠A single day lasts 22.8 hoursāalmost identical to Earth