Earth and Moon sizes compared.
1200x899, 350 dpi
K-T impact.
3850x2975, 350 dpi
Magma ocean on early Earth.
3850x3117, 350 dpi
Plate tectonics diagram.
1648x1068, 350 dpi
Tides diagram.
1648X1068, 350 dpi
Aurora in arctic.
2975x3850, 350 dpi
Earth and Moon in space.
3850x2975, 350 dpi
Terrestrial desert.
3850x2975, 350 dpi
Terrestrial mountain scene.
3850x2975, 350 dpi