The Planetary System

• Is made up of a star and other heavenly bodies orbiting around

  The Planetary System
• The planets in order

  Mercury

  Venus

  Earth

  Mars

  Jupiter

  Saturn

  Uranus

  Neptune

  (Pluto, not a planet anymore )
• The point of orbit of the moon that is closest to the earth

  Perigee

  ( peri means near )
• The point of orbit of the moon that is farthest from earth

  Apogee

  ( Apo means far ) ( Gee means moon )
• How many days does the moon orbit around the earth?

  28 days
• The point of orbit of the earth that is closest to the sun

  Perihelion ( Helion means Sun )
• The point of orbit of the earth that is farthest from the sun?

  Aphelion
• These are the inner planets, living the closest to the sun ( MVEM )

  Mercury, Venus, Earth, and Mars
• The star second nearest to earth is

  Proxima Centauri
• A massive, gravitationally bound system of stars, interstellar dust and gas and other matters

  Galaxy