Mars Compared to Earth 96% carbon dioxide similarities to Earth http://www.universetoday.com/22603/mars-compared-to-earth/ less than 1% similarities to Earth diámetro http://www.universetoday.com/22603/mars-compared-to-earth/ similarities to Earth Mars Compared to Earth Mars Compared to Earth similarities to Earth "Mars Compared to Earth" http://www.universetoday.com/22603/mars-compared-to-earth/ "Mars Compared to Earth" Earth and Mars have a lot in common diámetro http://www.universetoday.com/22603/mars-compared-to-earth/ diámetro similarities to Earth 96% carbon dioxide diámetro universetoday.com غير ملائم للحياة Mars Compared to Earth