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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.
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Do Gas Giants have atmospheres that are thousands of miles or kilometers thick?
Yes.
Gas giants have atmospheres composed primarily of helium and?
HydrogenAnswered By Nick Branham
Could you list the planets in order from the thickest to thinest atmospheres?
The terrestrial planets in order from the thickest to thinnest atmospheres Venus, Earth, Mars, and Mercury. Since the gas giants are almost entirely made of gas, it is difficult to determine where the atmospheres end.
How does the composition of earths atmosphere differ from the composition of the atmospheres of the gas giant planets?
The Gas Giants have a deep gas atmosphere and earth have a not so deep atmosphere
Why are gas giants larger than terrestrial planets?
The masses of the gas giants are greater, which would make them larger, and their gravity can hold more massive atmospheres. Due to limits on the compressibility of atmospheric gases, these atmospheres are very deep. The lower solar heating farther from the Sun also plays a role in allowing these planets to maintain a high percentage of their lighter gases (hydrogen, helium) than the inner planets. So, even without their atmospheres, the cores of gas giants would have greater diameters than the terrestrial planets. They are simply bigger planets.
Which gas in atmospheres of some gas giants gives them a blue color?
methane gas
What gases are found in the atmospheres of gas giants?
Hydrogen and Helium
Why can't the atmospheres of the gas giants just escape into space?
Gravity.
Do Gas Giants have atmospheres that are thousands of miles or kilometers thick?
Yes.
Gas giants have atmospheres composed primarily of hydrogen and what else?
Helium
What do all gas giants have that terrestrial plants do not have?
Gas giants have enormous atmospheres, it may be said they consist only of atmosphere. They have a large mass, and they have rings.Gas giants have enormous atmospheres, it may be said they consist only of atmosphere. They have a large mass, and they have rings.Gas giants have enormous atmospheres, it may be said they consist only of atmosphere. They have a large mass, and they have rings.Gas giants have enormous atmospheres, it may be said they consist only of atmosphere. They have a large mass, and they have rings.
Why do all the gas giants have thick atmospheres?
gravity keeps the gas giants planets gases from escaping so they have thick atmosphere
How does the composition of earths atmosphere differ from the composition of the atmospheres of the gas giants planets?
The Gas Giants have a deep gas atmosphere and earth have a not so deep atmosphere
Gas giants have atmospheres composed primarily of helium and?
HydrogenAnswered By Nick Branham
Could you list the planets in order from the thickest to thinest atmospheres?
The terrestrial planets in order from the thickest to thinnest atmospheres Venus, Earth, Mars, and Mercury. Since the gas giants are almost entirely made of gas, it is difficult to determine where the atmospheres end.
Why would the gas giants be made of gas when they are so cold?
The gas giants are composed of hydrogen and helium, which can remain in a gaseous state at extremely low temperatures, even lower than thous found in the atmospheres of the gas giants. In reality, though, most of the volume of the gas giants is not gas. Deep within the atmospheres of these planets the enormous pressure renders the hydrogen and helium into a supercritical state, which is characteristics between those of a liquid and a gas. Even deeper the hydrogen enters an exotic metal-like state. The interiors of the gas giants are very hot.
Why cant the atmospheres of gas giant escape into space?
gravity keeps the giants planet's gasas from escaping
