The number of planets "on space" depends on what you consider a planet and what part of "space" you're referring to. However, focusing on our Solar System, there are eight planets.
According to About the Planets, our solar system has eight planets: Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune.
While the term "space" is vast, in the context of our solar system, we can be more specific.
Planets in Our Solar System
Here's a list of the eight planets in our solar system, as well as some dwarf planets:
| Planet | Type |
|---|---|
| Mercury | Planet |
| Venus | Planet |
| Earth | Planet |
| Mars | Planet |
| Jupiter | Planet |
| Saturn | Planet |
| Uranus | Planet |
| Neptune | Planet |
| Ceres | Dwarf Planet |
| Pluto | Dwarf Planet |
| Haumea | Dwarf Planet |
| Makemake | Dwarf Planet |
| Eris | Dwarf Planet |
Therefore, there are eight planets in our solar system.
