Fact 1) Pressure decreases as you go higher in the atmosphere.
Fact 2) Air gets colder as you go higher.
Fact 3) Thermosphere protects us from the suns rays.
Fact 4) The Greenhouse effect is what happens when the atmosphere keep the plant warm.
Fact 5) Oxygen get thinner as you go up so its harder to breath.
Fact 6) The atmosphere is always pushing down on everything, all day, and all the time
Fact 7) The atmosphere is thick but compared to the earth its thin.
Fact 8) There is 78% of Nitrogen in Earths Atmosphere.