Moons

  Moons of our Solar System

Moons

  • moons are the natural satellites of planets – most are small rock globes that continually orbit the planet – held in place by the planet’s gravity.
  • as of October 2008, more than 176+ known natural moons in our Solar System.
  • every planet in our Solar System has a moon or some moons, apart from Mercury and Venus.
  • very few of the moons have atmospheres – including Saturn’s moon Titan, Jupiter’s Io and Neptune’s Triton.
  • Jupiter’s moon – Ganymede, largest moon in the Solar System.
  • second largest is Saturn’s moon – Titan; icy-cold, and is only moon with thick atmosphere of nitrogen gas. (wikipedia – Titan)
  • smallest moons are icy lumps just a few kilometers across, rather like asteroids. (photo)
  • Saturn’s moon – Iapetus; white on one side and black on the other side. (photodiagram)
  • Saturn’s moon – Enceladus; only 312 miles across, and its icy surface reflects almost all the sunlight. (photo)

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List of natural satellites

 

Back to The Solar System page.

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