1.

How long does a rocket at the speed of light take to go and see all the things in the universe and come back? (Use E=MC2)

Answer»

Till now we are not able to find the end of the universe.

No one KNOWS that how long our universe is!

Although size of observable universe till now is 92 billion LIGHT-years.

Now you can think that how long it would take to go and see all the things of our observable universe and come back.

So even if our speed is equal to the light then also it would take much much much TIME...

Imagine that only from sun to our Earth, sunlight takes 8 minutes and 20 seconds.



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