How does your atmosphere compair to the past atmosphere?

In a since, yes. It contained carbon like it does today. However, the particles per million (ppm) is a much higher concentration than it has veer been in the past.

The planet Mars has a very thin atmosphere.

Well, Jupiter is a gas giant and the largest planet in our system. But, im still confused when you say "heavy" atmosphere can you clarify??

Mars has a thinner atmosphere than earth but currently it's still able to have storm systems like wind and dust storms. Mars may have had an atmosphere as dense as Earth's at one time. On November...

The atmosphere is made up of 4 main and 4 minor layers. The 4 main layers are: The Troposphere The Stratosphere The Mesosphere The Thermosphere The 4 minor layers are: The Ozonosphere ( in the...