COMETS,ASTEROIDS, AND METEORS

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COMETS,ASTEROIDS, AND METEORS

  1. 1. COMETS, ASTEROIDS AND METEORS
  2. 2. COMET  Is a small icy material which have two tails made up gas and dust.  Leftover of solar system formation for about 4.6 billion years ago. typically have highly elliptical (oval-shaped), offcenter orbits that swing near the Sun.
  3. 3. ASTEROIDS  A small rocky or metallic body that orbits the Sun. Hundreds of thousands of asteroids exist in the solar system. Asteroids range in size from a few meters to over 500 km (300 mi) wide. They are generally irregular in shape and often have surfaces covered with craters. Like icy comets, asteroids are primitive objects left over from the time when the planets formed
  4. 4. Meteor, meteoroid and meteorites
  5. 5. meteor  A meteor is a light phenomenon or a streak of light as observed from earth when a meteoroid passes through Earth’s atmosphere.  A meteor shower happens when Earth passes through the orbit of comets
  6. 6. meteoroid  A meteoroid is a fragment of comet, an asteroid, moon or even mars.  A meteoroid is the space rock fragments before it enter to earth atmosphere.
  7. 7. meteorites  When a meteoroids or part of meteoroids survive passing through Earth atmosphere, an land on Earth surface.
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