Question

how can a person travel more than speed of light if so is it true that we can do time traveling

Answer 1

According to Theory of Relatively
Nothing can travel faster than light
But their a Hypothetical particle called Tachyons who travel faster than light...
Time travel is yet not possible because we need to travel at a speed of light and the energy needed​ to do this is infinite...
E=mc^2

Answer 2

Answer:

it would be lot helpful if we can travel with the speed of light and might be we can discover other planets in other galaxies. but sadly this is not possible physically specially with weight of astronomer and spaceship.

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