planet research graphic organizer
,880 km | Thin exosphere | Craters, plains | 0 | Closest to Sun | | Venus | 2nd | 12,104 km| Thick CO₂ atmosphere | Volcanoes, plains | 0 | Hottest planet | | Earth | 3rd | 12,742 km| Nitrogen and oxygen | Oceans, mountains | 1 | Supports life | | Mars | 4th | 6,779 km | Thin CO₂ atmosp