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-- Mercury

-- moon of Earth

-- moons of Mars

-- majority of moons of Jupiter and Saturn

Note:

While Mars technically has an atmosphere, its density is only around 1% of the density

of earth's atmosphere, so Mars is very close to joining the list.

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Q: What moon or planet doesn't have enough gravity to have an atmosphere?
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Related questions

Which planet does not have enough gravity to have an atmosphere?

Nercury


What holds the Earth's atmosphere in place?

The atmosphere is held in place by the earth's gravity. Gravity is related to mass, the more mass a planet has, the more gravity. A much smaller planet like mercury or a body such as the moon will have less gravity, not enough to hold an atmosphere - the gravity is not strong enough to prevent the gas particles from escaping into space.


Why doesnt the gas on a gas giant planet escape into space?

For the same reason that our atmosphere on Earth does not escape into space - gravity.


Why doesn't weather occur on asteroids?

For an object such as a planet or moon to have weather, it must have an atmosphere. Asteroids do not have strong enough gravity to maintain an atmosphere.


What planet doesn't have enough gravity to have an atmosphere?

Mercury - the closest planet to the sun. Solar wind and radiation from the sun also blast off some of Mercury's minuscule atmosphere (Mercury's atmosphere is sometimes referred to as an exosphere)


What planet doesn't have enough gravity to have an atmosphere.?

Mercury - the closest planet to the sun. Solar wind and radiation from the sun also blast off some of Mercury's minuscule atmosphere (Mercury's atmosphere is sometimes referred to as an exosphere)


What planet doesn't have have enough gravity to an atmosphere?

Mercury - the closest planet to the sun. Solar wind and radiation from the sun also blast off some of Mercury's minuscule atmosphere (Mercury's atmosphere is sometimes referred to as an exosphere)


Why is space not like earth?

Earth: Space: - is a planet - No gravity - supports life - Vaccum - gravity - No gravity or atmosphere - atmosphere


What property of a planet determines if the planet can have an atmosphere?

The mass of the planet. It's not clear cut, since there has to be gas around in the area to provide the atmosphere, but the planet (or moon) need to be massive enough to provide sufficient gravity for the gas molecules not to escape into space.


Why can't the atmosphere of gas giant planets escape into space?

Where a planet or moon has an atmosphere, it is the gravity of the moon or planet that holds the atmosphere on the planet or moon.


What stops our planet's atmosphere from flying away?

Gravity.


Why the planet earth was able to maintain its atmosphere?

Gravity