The Solar System
The Sun and its eight planets
The Sun and everything bound to it: eight planets, their moons, and countless asteroids and comets, all formed together from a cloud of gas and dust about 4.6 billion years ago. The Sun alone holds 99.8 % of the mass, and Jupiter most of what is left.
This map puts each planet where it really is on the date shown, from Mercury out to Neptune, 30 times farther from the Sun than Earth. The distances are to scale, the planets are not: at this scale even Jupiter would be far too small to see. Move the time slider forward and watch the inner planets race round while the outer ones barely move.
Key figures
- Planets
- 8
- Age
- 4.6 billion years
- The Sun's share of the mass
- 99.8%
- Largest planet
- Jupiter, 11.2 × Earth's width
- Farthest planet
- Neptune, 30 times Earth's distance (4.5 billion km)
- Sunlight's journey to Neptune
- 4 h 10 min