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miasma

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15y ago

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Continue Learning about Earth Science

Is the same size as earth has no moons and has thick atmosphere of mostly carbon dioxide?

The planet you are describing matches the characteristics of Venus. Venus is nearly the same size as Earth, has no moons, and its atmosphere is mostly composed of carbon dioxide, with thick clouds of sulfuric acid.


How thick is the earths atmosphere in kilometers?

The Earth's atmosphere is about 480 kilometers thick, with the majority of its mass concentrated within the first 11 kilometers (troposphere). The outermost layer, the exosphere, extends beyond 10,000 kilometers.


Did Earth have a thick atmosphere?

Yes, Earth's atmosphere has always been thinner than that of planets like Venus or Mars. Earth's atmosphere consists mainly of nitrogen and oxygen, with trace amounts of other gases. The ancient Earth had a different composition of gases in its atmosphere compared to today, but it was never as thick as Venus or as thin as Mars.


What does earth have that mars and Venus doesnt?

Earth has abundant liquid water on its surface, a protective magnetic field, and a thick atmosphere that creates stable temperatures suitable for life. Mars lacks a significant atmosphere and water in liquid form, while Venus has a thick toxic atmosphere with extremely high temperatures.


How thick is the blanket of air on the Earth?

The blanket of air on Earth, known as the atmosphere, is about 62 miles (100 kilometers) thick. The majority of Earth's atmosphere is contained within the first 18 miles (30 kilometers) from the surface.