Mercury
Basic Info
Mass:
3.3022 x 1023 kg
Diameter:
3,031 mi
Avg Distance from Sun:
36,000,000 mi
Time to spin on axis/A day is:
59 days
Time to orbit Sun/A year is:
88 days
Number of moons:
0
  • Mercury is the smallest planet in the solar system.
  • Despite being the closest to the Sun, Mercury is the second hottest planet in the solar system.
  • Mercury has an atmosphere, and it's the thinnest of all the planets.
  • As of 2020, there have only been 2 missions to Mercury; the Mariner 10 and MESSENGER missions.