 | Term | Definition |
| |
Mercury's density |
5.44 |
| |
Mercury's surface gravity |
378 |
| |
Mercury's AU |
.4 |
| |
Mercury's axial tilt |
0 |
| |
most affected by suns gravity |
Mercury |
| |
thousands of craters |
Mercury |
| |
Caloris Basin |
Mercury, 1300 km diameter |
| |
Mercury's temperatures |
600F/-250F |
| |
Mercury's atmosphere |
thin sodium gas |
| |
greatest temperature difference planet |
Mercury |
| |
Mariner 10 took photos of |
Mercury |
| |
Venus's clouds |
thick, constantly moving, no visibility |
| |
Venus density |
5.25 g/cm3 |
| |
Venus's surface gravity |
0.9 |
| |
Venus's rotational peroid |
243 days |
| |
Venus axial tilt |
3 |
| |
Venus's A.U. |
7 |
| |
Venus's revolution/year |
223 |
| |
How to die on Venus |
1. Roasted, 900 degrees, 2. Crushed, 95% CO2, 3. Suffocate, no oxygen, 4. Corrode, sulferic acid mist and exothermic reaction |
| |
Mars in comparison |
mercury<mars<earth |
| |
Mars's atmosphere |
thin |
| |
Mars features |
Olympus Mans (texas), Canalis, craters near frozen CO2 |
| |
Mercury's core |
iron, partly molten |
| |
Mercury's moons |
none |
| |
6th largest planet |
Venus |
