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The planet's strong force of gravity holds the atmosphere down and stops it escaping. Atmospheric gases have masses, and the Earth's atmosphere has a mass of about 1.2 kg per cubic metre.
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∙ 11y ago
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Are the outer planets made of gases?
YES
How do the inner planets differ from the outer?
The outer planets are mostly composed of gases and the inner planets are mostly made of rock, metals.
What are the giant outer planets made mostly made out of?
Gases
What 3 ways do inner planets differ from outer planets?
The inner planets are smaller and rockier than the outer planets which are made mostly of gases. Plus they are on different sides of the asteroid belt.
What force keeps the moons from floating away from the planets?
what keeps the moon from flying off into outer space
What keeps gases from escaping into outer space?
Gravity
Why do outer planets not lose their gases?
They are massive enough to have a strong gravitional field which stops the gases escaping.
Why do outer planets not lose their gas?
Their immense gravity keeps the gases there.
Are the outer planets made of gases?
YES
Are the inner and outer planets different?
The inner planets are all rocky planets. The outer planets are completely made up of gases. The inner planets are much smaller than the outer planets.
Could you land on the outer planets?
No. The outer planets do not have solid surfaces. Those planets are made of gases held together by gravity.
How do the inner planets differ from the outer?
The outer planets are mostly composed of gases and the inner planets are mostly made of rock, metals.
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.
What is a characteristic of all outer planets?
The outer plants are made out of gases mostly.
Did outer planets lose the light gases in their atmosphere?
no.
The outer planets are made of what two gases?
Helium and hydrogen =|
What outer planets don't have gases?
They are all made of gas
