1. Terrestrial High Densities – Rocky surfaces
The Planets
Terrestrial
High Densities – Rocky surfaces

2. Mercury Size: 1/3rd Earth Moons: 0 Atmosphere: O2 & Na
Temps: 100 – 700 K
Probes:
Mariner 10 [NASA]
Messenger, 2011 [Jap-Europe]
Axis = 0.39 AU
1 Mercury yr = 88 Earth days

3. Mercury - Roman god of speed
- messenger god

4. Venus Size: almost same as Earth Moons: 0 Atmosphere: CO2 & N2
Temps: 737 K (greenhouse)
Probes:
- Pioneer Venus,1978 [NASA]
- Magellan, 1989 [NASA]
- Venus Express, 2006 [Europe]
Axis = 0.72 AU
Retrograde rotation & 0.75 albedo

5. Venus – goddess of beauty

6. Earth Size: it’s Earth Moons: 1 Atmosphere: N2, O2, H2O Temps: 288 K
Probes: EYES
Axis = 1.00 AU
Only planet with proven life
Only planet with H2O in all
three forms: SOLID, LIQUID, GAS

7. Earth World Blue Planet Terra Home

8. Mars Size: ½ Earth Moons: 2 Atmosphere: CO2, N2, Ar Probes:
Mars Odyssey, 2001 [NASA]
Exploration Rovers, 2003 [NASA]
Axis = 1.52 AU
-Olympus Mons = Largest volcano
in solar system?
-Has Seasons

9. Mars – god of war

10. Mars Rovers
NASA Photos