Hello, I'm an expert in astrophysics with a focus on celestial mechanics. Let's dive into the question of gravity on the moon.

English Answer:
The statement that there is "no gravity on the moon" is a common misconception. In reality, the moon does have gravity, but it is significantly weaker than Earth's gravity. The moon's gravity is about 1/6th that of Earth's, which means that an object that would weigh 100 pounds on Earth would weigh only about 16.6 pounds on the moon. This reduced gravity is due to the moon's smaller mass and size compared to Earth. The gravitational force that an object experiences is directly proportional to the mass of the object exerting the force (in this case, the moon) and inversely proportional to the square of the distance between the centers of the two objects. Since the moon has less mass than Earth, the gravitational force it exerts is weaker.

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The moon is 1/4 the size of Earth, so the moon's gravity is much less than the earth's gravity, 83.3% (or 5/6) less to be exact. Finally, "weight" is a measure of the gravitational pull between two objects. So of course you would weigh much less on the moon. Originally Answered: Why is there no gravity on the moon?read more >>