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Because otherwise if there was no gravity there would be no trees, therefore no oxygen so we would die, and if somehow we survived that then we will explode.
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∙ 14y ago
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What two factors are necessary to keep the moon and earth in orbit?
Gravity and inertia.
Explain how earth's mass is related to its ability to have an atmosphere?
The Earth has an atmosphere because it has the gravity necessary to keep the gases from floating off into space. The more mass a planet has, the more gravity it has, and the more gravity it has, the thicker an atmosphere it can sustain.
What is the gravity on Mars compared to earth?
The gravity of Earth is 2.6 times that of Mars.Mars's gravity is 38% of Earth's gravity.
How does the moon crontrol gravity on earth?
No. The earth has its own gravity. The lunar gravity causes tides on earth, but does not control earth's gravity.
Is the gravity of earth is because of it rotation?
No - the gravity of Earth is due to its mass.No - the gravity of Earth is due to its mass.No - the gravity of Earth is due to its mass.No - the gravity of Earth is due to its mass.
What is Charon's gravity compared to Earth's gravity?
The gravity of Charon is about 3% that of Earth.
On what day will the earth have no gravity?
Earth will always have gravity for gravity is a result of mass.
What is the math for mercury gravity compared to earth?
mercury gravity: earth gravity
Is the gravity on earth 1?
Earth's gravity is 1g.
Has earth ever had gravity?
The earth currently has gravity.
Were on earth is their no gravity?
Well on earth everywhere this is gravity. but once you leave earth there is no more gravity ----------------------------------------------------------------------------------------------- No, gravity is present through out all space. When you leave the Earth and go into orbit round it, it APPEARS that there is no gravity, but gravity is causing you to orbit the Earth. You do not feel this gravity because you are in free fall.
Does mars have smaller gravity than earth greater gravity than earth or the same gravity as earth?
Mars has approximately one third the surface gravity of the earth
