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Asteroids, Comets, and Meteors Review Asteroids Composition (what are they made of? Asteroids are rocky worlds. Asteroids Where are asteroids found? Most asteroids orbit the Sun between Mars and Jupiter. Asteroids What are their shapes? Asteroids are irregularly shaped. Asteroids Asteroids Dawn’s Virtual Flight Over the Asteroid Vesta. Comets Composition (what are they made of? Water ice, dry ice, rocks, dirt, & gas (a dirty snowball) Comets From where do comets start their journey to the Sun? Orbiting the Sun in the Oort Cloud or Kuiper Belt Comets Kuiper Belt beyond orbit of Neptune to 10,000,000,000 miles Oort Cloud (6, 000,000,000 miles from Earth!) Comets Parts of a comet. Comets Bright Tails, Black Hearts: Exploration of Comets. Comet Hale-Bopp. Meteoroids, Meteors, Meteorites Composition (what are they made of? Iron & Rocks Meteoroids, Meteors, Meteorites Where are they found? Orbiting the Sun throughout the Solar System Meteoroids, Meteors, Meteorites What is a meteoroid? This is what it is called when it is in outer space. Meteoroids, Meteors, Meteorites What is a meteor? It is when the rock or dirt is traveling through the atmosphere. Meteoroids, Meteors, Meteorites What is a meteor? It makes a streak in the sky that lasts a couple of seconds. Meteoroids, Meteors, Meteorites What is a meteor? It is also called a “shooting star.” Meteoroids, Meteors, Meteorites What is a meteorite? It is when the rock hits the Earth. Meteoroids, Meteors, Meteorites What is a meteorite? If it’s large enough, it can make a crater. Meteoroids, Meteors, Meteorites Spaced Out!