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gravity keeps the gas giants planets gases from escaping so they have thick atmosphere
No. As the name gas giant implies, these planets are made largely of gas. They have extremely thick atmospheres.
Venus has a thick atmosphere. Mercury does not have an atmosphere.
They are pretty large. They are mostly gaseous, without a large metallic core Their atmospheres are very thick. They have several moons. That's not really a feature of gas giant planets, but very massive planets in general.
I thinck it is 25 miles thick:)
Yes.
gravity keeps the gas giants planets gases from escaping so they have thick atmosphere
I don't think so.
They are called the "outer planets." But also the "gas giants" because they all have thick atmospheres and no accessible surface.
No. As the name gas giant implies, these planets are made largely of gas. They have extremely thick atmospheres.
There is no atmosphere on the moon.
Venus has a thick atmosphere. Mercury does not have an atmosphere.
They have rings, but the main characteristic is that they are all gas giants, massive planets with extremly thick atmospheres composed mostly of hydrogen and helium.
Primarily, yes. The outer planets Jupiter, Saturn, Uranus and Neptune are all considered to be "gas giants", with thick and extensive atmospheres. They probably have solid cores, but the nature of the core is currently unknown.
There are four inner planets, which starting with the closest to the sun are Mercury, Venus, Earth, and Mars. Of these, Venus and Earth have thick atmospheres, whereas Mercury and Mars don't.
Yes, all the ones in our solar system seem to. Observations of planets in other systems seem to be, also. Theoretically, any planet with a high enough gravity to qualify as a gas giant can retain gases that are poisonous to us, such as hydrogen and helium. Nice article in the link below.
They are pretty large. They are mostly gaseous, without a large metallic core Their atmospheres are very thick. They have several moons. That's not really a feature of gas giant planets, but very massive planets in general.