Mercury
rocky planet · closest to the Sun
0.72 AU from Earth
A scorched, cratered world with almost no air: 430 °C by day, −180 °C at night. Its year is shorter than two of its own days.
- radius 2,440 km · 0.39 AU from the Sun
- one solar day lasts 176 Earth days
Numbers that change with time are from 8 November 2026.
open Mercury in the atlas ›- kind
- place in the Solar System
- distance
- 0.31 AU from the Sun
- size
- 4,880 km across
- orbits
- the Sun
More places in the Solar System
- Venus rocky planet
- Earth rocky planet
- Tranquility Base Apollo 11 landing site on the Moon
- Apollo 12 landing site in the Ocean of Storms, on the Moon
- Apollo 14 landing site at Fra Mauro, on the Moon
- Apollo 15 landing site at Hadley-Apennine, on the Moon
- Hadley Rille a lava channel on the Moon
- Apollo 16 landing site at Descartes, on the Moon