Earth
Watervapor is every where. It is part of conventional rain fall. The water is heated and it becomes steam/watervapor and it rise and turns back to water and is stored in a cloud intil it is to heavy and the water falls back too earth
what is the terrestrial planet that has no atmosphere
No. The planet Mercury does not have an atmosphere.
Ceres is not a planet; it is a dwarf planet. It does not have an atmosphere.
a gas
That is known as the "atmosphere".
The earth is the largest planet in our atmosphere. Jupiter is the largest planet in out solar system.
Earth is the only known planet with an oxygenated atmosphere.
So far every planet has an atmosphere... i think.
The gasses that surround a planet are called an atmosphere
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.
Watervapor is water that has been heated by the sun, enough to be turned into gas. Stop putting up homework questions on wikianswers... listen in class next time.