EXPLORING MARS 
 

Compare the Atmospheres of Earth and Mars

Suggested Task: Check out what these gasses are and what they do.

EARTH'S ATMOSPHERE

[by volume]

Nitrogen

Oxygen

Water

Argon

Carbon dioxide

Neon

Helium

Methane

Krypton

Hydrogen

Nitrous oxide

Carbon monoxide

Xenon

Ozone

76%

21 %

up to 1%

0.9%

0.03%

trace

"

"

"

"

"

"

"

"


Pressure: 1 bar

 

 

MARS' ATMOSPHERE

[by volume]

Nitrogen

Oxygen

Water vapour

Argon

Carbon dioxide

Neon

Krypton

Carbon monoxide

Xenon

Ozone

2.7%

0.13 %

0.03 1%

1.6%

96.3%

trace

"

0.07%

"

"


Pressure: 0.01 bar

Mars Experiences high-speed winds and dust storms.
Mars' sunsets are similar to those seen on Earth.

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