Mars introduction to earth science

Mars:
Earth’s
little
brothe
r


What are the similarities and differences you notice?


Mars’s axis is tilted at 25 deg. What are
seasons on Mars like?


Mars’s axis tilt changes dramatically. What
happens when the tilt is less/more?


Artist’s depiction of an ‘icy Mars’


Do the Earth and Mars have similar interiors?
Why?

How do we even know what’s inside a planet?


Atmospheres: Are they similar?
Why?
Constituents:
Nitrogen: 78%

Carbon Doxide: 95.%

Oxygen: 21 %

Nitrogen: 3%

Argon: 0.9%

Argon: 2%

Water: > 1%

Oxygen: 0.1%

Carbon Doxide: 0.002%

Water: > 0.03%


Is there water on Mars? Why or why not?


Is there water on Mars? Why or why not?

Mars’s south pole


Is there water on Mars? Why or why not?

Partial Pressure of Water

Phase Diagram of Water

Earth
Mars

Temperature


Mars or Earth?


Mars or Earth?

Columbia Hills, Mars

Atacama Desert, Chile

Columbia Hills, Mars


Mars or Earth?


Mars or Earth?

Kilauea Volcanoe, Hawaii

Olympus Mons, Mars


Mars or Earth?


Mars or Earth?

Dubai, UAE

Endurance Crater, Mars


What is the evidence for past water on Mars?


Mars or Earth?


Mars or Earth?

Djado Plateau, Niger

Valles Marineris, Mars


Mars or
Earth?

Mars or
Earth?

Holden Crater NE, Mars

Lena Delta,


Mars or
Earth?


Yeme
n

Mars or
Earth?
Mars


Mars or
Earth?