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Mars - Coggle Diagram
Mars
Researches
name
ancient Romans
named after god of war
reddish color
surfice-> iron oxide
(rust)
early 1900s
believed life was there
optical illusion
1970s
send orbiters & landers
1990s
NASA sent rovers
Possible evidence of life
water
liquid water support life
locked up as ice
atmosphere
thin
can't trap heat
temp. below zero
air
carbon dioxide
plants & microorganism can breath
Features
similar to Earth
fourth planet from the Sun
similar tilt
four seasons
terrestrial
rocks & minerals
natural features
poles with ice caps
mt. & canyons