Pluto’s largest moon, Charon, is half the size of Pluto.
The same surfaces of Charon and Pluto always face each other, which is known as mutual tidal locking
2020
Triton is gradually getting closer to the planet it orbits.
Scientists believe that when Triton eventually gets too close to Neptune, it will be torn apart by the planet’s gravity
2020
Enceladus, one of Saturn’s moons, reflects 90% of the Sun’s light.
The icy surface reflects sunlight and temperatures reach as low as -201° Celsius
2020
