21Moonlets
Saturn has small orbiting bodies called moonlets which NASA has informally begun to name after kittens.
22Minor planets
As of 2018, there are 516,386 numbered minor planets in our solar system, and 5 million more are expected to be found in the next 10 years.
23Moon and earth
Moon is in synchronous rotation with Earth, meaning the same side is always facing the Earth.
24Pluto
Pluto is legally a planet in Illinois.
25Sun and Earth
Even though the sun won't die for another 5 billion years, humans only have about 1 billion years left on Earth as by then the sun will become hot enough to boil and evaporate our oceans.
