1. What force keeps the pink and blue alien bttracted to the planet he is first sitting on? When he first tries to jump to the other planet, what happens? Why do you think this happens? Why do you think he is finally able to move to the other planet? What keeps him on the other planet? 2. 3. 34. 5.

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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.