Oh srry my english is weak i am only 11 years old but i love physics my question was accourding to maxwell and enistien nothing can go faster than light and if we give an object enough energy to move at the speed of light it can attain the velocity of light but if we supply more energy to tend it to move faster than light it will never move faster then light but inspite of that it will gain mass .so if ever big bang happned and the particles exploded highestly they will move at the speed of light so the total length it can cover is only .3m along all axis in one nano sec but bang bang explains that after 1nano sec after big bang the universe expanded as large as it is today so plz clearify my question and sorry if their is any mistake in grammar


closed as unclear what you're asking by CuriousOne, ACuriousMind, Qmechanic Feb 29 '16 at 10:36

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    $\begingroup$ Can you please be more specific about what you are asking? "the next dimension after calculating 3m in 1ns"does not really mean anything. Light travels 0.33m in 1 ns. $\endgroup$ – hdhondt Feb 29 '16 at 9:24
  • $\begingroup$ Apart from the wrong calculation, there is a conceptual problem here. We don't know what the actual size of the universe is. We only know what the causally connected size of our local part of the universe is. What we are seeing of the universe today, that would not have been large, but that doesn't allow us to say anything about the absolute size or shape of the universe, either now or back then. $\endgroup$ – CuriousOne Feb 29 '16 at 9:28
  • $\begingroup$ The light-speed-limit does not apply to space itself, so the universe can expand as quickly as it wants. $\endgroup$ – lemon Feb 29 '16 at 9:36
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    $\begingroup$ The Big Bang didn't happen at a point. $\endgroup$ – John Rennie Feb 29 '16 at 12:24
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    $\begingroup$ A related question: physics.stackexchange.com/q/60519 $\endgroup$ – mpv Feb 29 '16 at 20:30