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Explore the fascinating world of planetary satellites in our solar system, including moons, comets, and asteroids. Discover the characteristics of different moons and their orbiting planets, the unique features of comets and their periodic appearances, and the rocky fragments known as asteroids. Learn about meteoroids, meteors, meteor showers, and the rare occurrence of meteorites impacting Earth's surface.
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Satellite Any body that orbits antoher Natural satellites are moons 6 of the 8 planets have at least one moon Mercury and Venus do NOT have a moon Planetary Satellites
Earth 1 moon
Mars 2 moons Phobus & Deimos
Jupiter At least 28 moons 4 largest are Io, Ganymede, Europa and Callisto
Saturn 24 moons Largest is Titan
Uranus 21 moons 5 major moons are Titania, Oberon, Umbriel, Ariel and Miranda
Neptune 8 moons Triton is the largest
Pluto 1 moons Charon – almost the same size as Pluto
Comets A mixture of dust, gas and ice that orbits the sun Nicknamed “dirty snowballs” Haley’s comet comes around every 76 years, last seen in 1986 Solar System Debris
Comet Coma (ice and dust) and a tail (gas)
Comets orbit the sun…. The tail of the comet gets “blown” away by the solar wind
Asteroids Solid, rock-like fragments orbiting the sun between mars and jupiter
Meteoroids Icy, rocky fragments anywhere in space
Meteors Meteoroids that enter Earth’s atmosphere and begin to “burn” due to the presence of oxygen
Meteor Showers “shooting stars”
Meteorites A meteoroid that survives the trip through our atmosphere and actually impacts the Earth’s surface, forming impact craters