Moon Facts

• The Moon is the only natural satellite of Earth:

  • orbit: 384,400 km from Earth
  • diameter: 3476 km
  • mass: 7.35e22 kg

• It is the second brightest object in the sky after the Sun

• Sometimes classified as a terrestrial "planet" along with Mercury, Venus, Earth and Mars

• The time between successive new moons is 29.5 days (709 hours)

• No atmosphere

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