The Inner Planets. The terrestrial planets 1.Mercury 2. Venus 3. Earth 4.Mars.

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Presentation transcript:

The Inner Planets

The terrestrial planets 1.Mercury 2. Venus 3. Earth 4.Mars

Similarities 1) Rocky planets with Iron cores

2) Have impact craters from Meteors & Asteroids

Mercury 88 earth days = 1 mercury year No moons Explored by “Mariner 10 “ in the 70’s

Venus 225 earth days = 1 venus year Rotates backwards No moons Dense atmosphere Runaway “greenhouse effect” Explored by Magellan orbiter in the 90’s

Earth Only Planet known to have liquid water

Mars 687 earth days = 1 Mars year 2 moons Olympus Mons  largest volcano in solar system Explored by Viking 1 and 2 & the Rover Missions