There is an asteroid belt between Mars and Jupiter. These are millions of space rock chunks that, like the planets, orbit around the Sun.
Pluto, Haumea, Makemake, Eris
Mysterious ninth planet? In 2016 it was announced that there might be a ninth planet! This planet is said to consist mainly of ice and is about 4 times the size of Earth!
What would space sound like? It is certainly not quiet! Researchers have collected sounds from planets. And they sound a bit scary...