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  1. Venus - mostly carbon dioxide, methane, and sulfuric acid.
  2. Earth - mostly nitrogen and oxygen.
  3. Mars - mostly carbon dioxide.
  4. Jupiter - mostly hydrogen and methane.
  5. Saturn - mostly hydrogen and methane.
  6. Uranus - mostly hydrogen and methane.
  7. Neptune - mostly hydrogen and methane.
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What are the two main reason why Jovian planets have much thicker atmoshperes than the Terrestrial planets?

While terrestrial planets are made of rock and have gases in the atmosphere, jovian planets are made almost entirly of gases. If an atmosphere is made of gases in a planet, then the atmosphere of the planets with more gases will be thicker.


Why is it more difficult for gases to escape from Jovian planets than terrestrial planets?

It is more difficult for gases to escape from Jovian planets because they have much stronger gravitational forces due to their larger mass, which means gases are held more tightly to the planet. Terrestrial planets have lower mass and weaker gravity, making it easier for gases to escape into space.


Why were planets closer to the sun not able to retain lighter gases?

Planets closer to the sun have higher temperatures, which causes them to have higher escape velocities. Lighter gases are more easily able to escape a planet's gravitational pull at higher temperatures, resulting in these planets being unable to retain them. Additionally, the solar wind from the sun can strip away lighter gases from planets closer to it.


How many planets are made up of gases?

All of the planets in the solar system have at least some trace gases in their atmospheres, but the planets known as gas giants are composed of mostly gases. They are the four outermost planets, Jupiter, Saturn, Neptune, and Uranus. In contrast, the four innermost planets, Mercury, Venus, Earth, and Mars, are called the terrestrial planets and are mostly composed of solids.


The jovian planets contain a large percentage of the gases?

The jovian planets, like Jupiter and Saturn, contain large percentages of hydrogen and helium gases. These gases make up the majority of their composition and contribute to their massive size and low density compared to terrestrial planets.

Related Questions

Why are the planets colourful?

The gases ;)


What are the two main reason why Jovian planets have much thicker atmoshperes than the Terrestrial planets?

While terrestrial planets are made of rock and have gases in the atmosphere, jovian planets are made almost entirly of gases. If an atmosphere is made of gases in a planet, then the atmosphere of the planets with more gases will be thicker.


How many planets in are solar system are gases?

4 planets in the solar system are gases. They are Jupiter, Saturn, Uranus, and Neptune.


Which planets gases escape into space?

Mercury's gases escaped into space once


Which planets are made of rocks and gases?

it is venus


What are the last four planets made of?

gases


What are stars and planets made of gases?

Nothing


Are the outer planets made of gases?

YES


What planets are just made of gases?

Type your answer here... all planets are made of gasses


Why is it more difficult for gases to escape from Jovian planets than terrestrial planets?

It is more difficult for gases to escape from Jovian planets because they have much stronger gravitational forces due to their larger mass, which means gases are held more tightly to the planet. Terrestrial planets have lower mass and weaker gravity, making it easier for gases to escape into space.


Why were planets closer to the sun not able to retain lighter gases?

Planets closer to the sun have higher temperatures, which causes them to have higher escape velocities. Lighter gases are more easily able to escape a planet's gravitational pull at higher temperatures, resulting in these planets being unable to retain them. Additionally, the solar wind from the sun can strip away lighter gases from planets closer to it.


How do the inner planets diffrer from the outer planets?

the inner planets made up of rocks while the outer planets are made up of gases and liquids.