A starship approaches its home planet at a speed of 0.1c. When it is 5.6x107 km away, it uses its green laser beam (A 540 nm) to signal its approach. Part A Itranscript How long does the signal take to travel to the home planet? Express your answer to two significant figures and include the appropriate uni Δt = 610 Submit Part B ol λ = O μA X Incorrect; Try Again; 8 attempts remaining Previous Answers Request Answer S Itranscript At what wavelength is the signal detected on the home planet? Express your answer to two significant figures and include the appropriate uni μA Value ? Units ?

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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.