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Other Solar System Objects. Chapter 28.4. Kuiper Belt. Kuiper Belt Lying outside of Neptune\'s orbit (40AU) Eris – example of planetary bodies similar to Pluto Should it be a tenth planet? Objects most likely formed in this area Asteroid Belt lies between Jupiter and Mars

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kuiper belt
Kuiper Belt
  • Kuiper Belt
    • Lying outside of Neptune\'s orbit (40AU)
    • Eris – example of planetary bodies similar to Pluto
      • Should it be a tenth planet?
    • Objects most likely formed in this area
  • Asteroid Belt lies between Jupiter and Mars
    • Thought that planets never formed due to gravitational pull of Jupiter
how about pluto
How about Pluto?
  • Made of rock and ice
    • Different than both terrestrial and gas planets
  • Long orbit
    • Crosses Neptune’s orbit
    • Hasn’t been seen to make a complete orbit yet
    • 3 moons with orbits at sharp angles to the elliptical plane
new classification
New classification
  • Dwarf planet
    • Has its own gravity
    • Spherical
    • Orbits the sun
    • Includes
      • Pluto
      • Eris
      • Ceres – in Asteroid built
    • Many more objects are under debate
asteroids
Asteroids
  • Thousands in the asteroid belt
    • Rocky, irregular shaped, pitted bodies
    • Many have small satellites orbiting them
  • Fragments of asteroid
    • Meteoroid – small fragment of an asteroid
    • Meteor – streak of light as meteoroid passes through earth’s atmosphere and burns
      • Shooting star
    • Meteorite – hits the earth
comets
Comets
  • Small icy bodies
  • Extremely eccentric orbits
  • 1 to 10 km in diameter
  • Occasionally passes into the inner solar system
    • Pulled by gravity of objects in the solar system
comets1
Comets
  • They come close to the sun
    • Begins to evaporate
    • Forms a head and one or two tails
    • Solid core surrounded by gas and dust particles
    • Blown by the sun’s radiation, causing the bright tail
meteor shower
Meteor Shower
  • Earth enters an area where the comet had passed
  • Particles left behind from the comet burn as they enter the earth’s atmosphere
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