How is the atmosphere of the Earth different from that of other planets?

The main difference between the Earth’s atmosphere and the one of other planets (such as Venus and Mars) is that about 21% of it is composed by oxygen. Oxygen is a key element to sustain any complex life form on the planet. … Both produce oxygen by means of photosynthesis.

How is the atmosphere of the Earth different from that of the other planets for Class 9 ICSE?

Our atmosphere is about 78% nitrogen and 21% oxygen, with traces of water and carbon dioxide. … Earth is the only planet where Oxygen in found in adequate quantities. The earth also has a blanket of clouds which trap and releases heat maintaing the temperature of the Earth.

Why does different planets have different atmospheres?

There are two primary factors: size and distance from the Sun. Gravity helps planets and moons to hold on to their atmospheres, so small planets/moons such as Mars and the Moon have thin atmospheres. … On Venus, all of the carbon dioxide is in the atmosphere.

Why is Earth’s atmosphere different from Venus and Mars?

It all comes down to water. Earth’s vulcanism driven atmosphere was likely dominated by carbon dioxide like Venus and Mars, but Earth also has vast oceans of liquid water. … While Venus’ atmosphere is mostly carbon dioxide, it is much thicker than Earth’s, and contains four times the nitrogen.

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How is our atmosphere different from the atmosphere on Venus and Mars Brainly?

earth ‘ s atmosphere is made up of many gases like nitrogen,oxygen,carbon dioxide and water vapour whereas the atmosphere on Venus and mars contains carbon dioxide,which makes about 95 to 97 of it due to which life is not possible on Venus and mars.

Do any other planets have atmospheres?

Of these, the planets Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune have significant atmospheres. Pluto (a dwarf planet) may have an appreciable atmosphere, but perhaps only when its highly elliptical orbit is closest to the Sun.

How do we know about atmospheres on other planets?

The atmospheres of exoplanets can be probed using a technique called spectroscopy to detect visible light. Visible light is the light we can see by eye, where the wavelengths of visible light correspond to the different colors of the rainbow (Fig. 1).

What are the atmospheres of the planets?

The terrestrial planets are rich in heavier gases and gaseous compounds, such as carbon dioxide, nitrogen, oxygen, ozone, and argon. In contrast, the gas giant atmospheres are composed mostly of hydrogen and helium. The atmospheres of at least the inner planets has evolved since they formed.