The control panel on a spaceship contains a light that blinks every 2.71 s as observed by an astronaut in the ship. If the spaceship is moving past Earth with a speed of 0.753c, determine the proper time interval Δto between blinks and the time interval Δt between blinks as observed by a person on Earth. Δto = 0s and Δt = 2.71sΔto = 2.71s and Δt = 4.56s    Δto = 2.71s and Δt = 2.71sΔto = 2.71s and Δt = 4.12sΔto = 4.12s and Δt = 4.56sΔto = 4.12s and Δt = 2.71sΔto

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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.