|
| Mercury | Venus | Earth | Mars | Jupiter | Saturn |
| diameter [km] | 4878 | 12,104 | 12,752 | 6788 | 142,800 | 120,660 |
| mass relative to Earth mass | 0.05 | 0.815 | 1.0 | 0.107 | 317.9 | 95.1 |
| density [g/cm3] | 5.43 | 5.24 | 5.52 | 3.04 | 1.32 | 0.7 |
| atmosphere | lack | dense poisonous | nitrogen 79% oxygen 21% | CO2 96% | hydrogen and helium | hydrogen and helium |
| weak magnetic field | 100 times weaker than Earth | weak | strong | fragmentary | Very strong | Very strong |
| type of planet | rocky | rocky | rocky | rocky | plasma giant | plasma giant |
| thermal classification | cold | cold | cold rift hot | cold
| hot | hot |