n this problem we are going to compare the strength of the gravitational interaction between the Moon and the Earth and the Sun and the Earth. We will do this by finding the gravitational field g due to the Moon or the Sun, which is the acceleration that the Earth would have if it were interacting with each of them. a) Calculate the magnitude of the gravitational field of the moon at the location of Earth, in meters per square second. b)Calculate the magnitude of the gravitational field of the Sun at the location of Earth, in meters per square second. c)Calculate the ratio of the gravitational field of the Sun to the gravitational field of the Moon, at the location of Earth

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Proper Length

The theory of special relativity explains the connection between space and time to objects that move in a straight line at a constant speed. The objects move at the speed of light. When an object approaches light speed, its mass is endless and cannot move faster than light. The most crucial postulate of Einstein's special relativity is that the laws of nature do not change in each frame of reference.