anthony morris
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Orbit

  • Place where planet is closest to the Sun is called the perihelion
    • When it is moving the fastest
  • Place where the planet is farthest from the Sun is called the aphelion
    • When it is moving the slowest

Planetary Configurations

Visual display of orbits

  • Conjunction
    • With the Sun as seen from Earth
    • If you look at the Sun and you also see the planet
    • Inferior planets have two conjunctions
      • Inferior conjunction --> closer
      • Superior conjunction --> farther
  • Opposition
  • Elongation
    • Angle between the Sun and planet as seen from Earth