“If you travel from earth in 99.99% the speed of light for one year (from earths perspective) how long would you perceive the trip to be?”

If you travel from earth in 99.99% the speed of light for one year (from earths perspective) how long would you perceive the trip to be?

Basically we use something called the Lorentz Factor to calculate this. Time will seem to contract from the perspective of what is traveling at some speed and the contraction can be significant for very fast speeds. This is also known as time dilation.

physics_one_year_earth_9999_speed_of_light

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