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All planets in our solar system have enough gravity to have their own moons. However two, Mercury and Venus, formed in ways that they don't have any moons.
Mercury is a borderline case: while its gravity is theoretically capable of holding a moon, its nearness to the sun and rapid orbit mean it would be very difficult for a moon to remain in a stable orbit.
What else can I help you with?
Why doesnt the moon have enough gravity on it to pull us down?
It does. Astronauts on the moon can jump higher than they do on Earth but they still come back down. The moon's gravity is weaker than Earth's because the moon has less mass.
Why is earth the only planet with gravity?
All objects with mass have gravity, so all planets have gravity. However, the strength of gravity depends on the mass of the planet. Earth's gravity is strong enough to hold objects to its surface, which is why we feel it as weight.
Why don't humans feel gravity on the moon?
We do experience the gravity of the moon, as does the entire planet. But since the planet is essentially in freefall with respect to the moon's gravity we feel effectively weightless with respect to the moon. Now, when standing on the moon, humans do feel its gravity, but its strength is only about 1/6 of that of the Earth, due to its smaller mass.
Does the moon count as a planet?
No, the moon is not considered a planet. It is a natural satellite that orbits a planet, in this case Earth. A planet is defined as a celestial body that orbits a star and is massive enough to have its own gravity shape it into a round or nearly round shape.
Mercury does not have enough gravity to hold this?
ya it has a little bit less gravity than the moon. its........floaty..........
Why is there a discussion over whether Pluto should be a planet?
Pluto is a moon because it doesnt have enough gravitational pull to be a planet
Why doesnt the moon have enough gravity on it to pull us down?
It does. Astronauts on the moon can jump higher than they do on Earth but they still come back down. The moon's gravity is weaker than Earth's because the moon has less mass.
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.
How does man stands on moon without gravity?
There is gravity on the moon but it is a third of planet earth
What is the relationship between the moon and a planet in terms of gravitational influence?
The moon and a planet have a gravitational relationship where the planet's gravity pulls the moon towards it, causing the moon to orbit around the planet. The moon's gravity also affects the planet, causing tides and other gravitational interactions.
What planet or moon has no gravity?
No such place- ALL have some degree of gravity.
What holds a moon in orbit?
The gravity of its planet.
Why is earth the only planet with gravity?
All objects with mass have gravity, so all planets have gravity. However, the strength of gravity depends on the mass of the planet. Earth's gravity is strong enough to hold objects to its surface, which is why we feel it as weight.
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.
Which planet has the most greatest gravity?
Jupiter has the strongest gravity. The bigger the planet, the stronger the gravity. The moon is kind of small, so it's gravity is weaker.
Why don't humans feel gravity on the moon?
We do experience the gravity of the moon, as does the entire planet. But since the planet is essentially in freefall with respect to the moon's gravity we feel effectively weightless with respect to the moon. Now, when standing on the moon, humans do feel its gravity, but its strength is only about 1/6 of that of the Earth, due to its smaller mass.
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.
