Prelims · 3 Physical & World Geography · 3.1 Universe, solar system and the Earth

3.1.4 Dwarf planets, asteroids, comets and meteors

Besides the eight planets, the solar system has dwarf planets such as Pluto, rocky asteroids mostly between Mars and Jupiter, icy comets from its outer edge, and small fragments that become meteors and meteorites when they meet the Earth.

  • APPSC Group 2 · Prelims
  • Standard level
  • 8 min read
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Key terms

  • dwarf planet
  • Pluto
  • Ceres
  • Eris
  • IAU 2006
  • asteroid belt
  • Kuiper belt
  • Oort cloud
  • Halley's comet
  • coma
  • meteoroid
  • meteor
  • meteorite
  • meteor shower
  • Lonar crater
  • DART

What this note covers

  1. Core factsFoundation
  2. ExplainedStandard
  3. DeeperAdvanced
  4. Mains writingMains writing
  5. Common trapsFoundation
  6. Quick revisionFoundation

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