Science
How many planets are in the Solar System?
8
Background
Our Solar System has eight planets. Mercury, Venus, Earth and Mars are small rocky worlds. Jupiter, Saturn, Uranus and Neptune are huge gas planets. Pluto has officially been counted only as a dwarf planet since 2006.
More Science questions
How many hearts does an octopus have?
See questionWhere is the driest place on Earth?
See questionWhat percentage of Earth has never been mapped by humans?
See questionHow many kilometers does light travel in one second?
See questionHow many kilometers tall is the tallest known mountain in the Solar System?
See questionHow many liters of air does an adult breathe in on a calm day?
See question