**t**ime travel is the very basic phenomenon according to the Hollywood movies.The concept of time travelling so many times can be seen in Hollywood movies

**TIME TRAVELLING IS POSSIBLE?**

**CAN WE TRAVEL IN OUR FUTURE AND PAST?**

**we have so many question like this**

**Time travelling concept is directly related to theory of relativity of motion.**

**Time travelling concept was given by ALBERT EINSTEIN to save the existence of his famous equation**E=MC^2

But how this equation is related to time travel let see how we can co-relate this equation with time

If we want to time travel than we have to be invented a space craft which can travel at the speed of light

Now think about the astronaut who are sitting inside this space craft

if astronaut start walking inside the space craft then his relative speed can beat the speed of time we already discuss this in special theory of relativity however that would happen then famous equation of Einstein will not be valid anymore.

But Einstein give a very appropriate explanation about that.

According to the Einstein "The Astronaut never can beat the speed of light because time is also relative that mean time reduced its own speed inside the space craft that mean astronaut would have taken much and much time to covered a short distance that mean the speed of astronaut would be negligible then the relative speed of astronaut would be equal to speed of light.

if time is being taken much and much what does show it.

We have a very basic formula--

**SPEED=DISTANCE/TIME**

**By this equation v=d/t we can understand speed is inversely proportional to time if we increase the time then speed will be decrease**

**If time blow slowly as much as unless the walking speed of astronaut would not be negligible**

**ONE YEAR INSIDE THE SPACE CRAFT=THOUSANDS YEARS ON EARTH**

**Such that way Astronaut who is travelling inside the space craft doing time travel in past with respect to earth and the person who are at the earth will be travelling in future with respect to Astronaut**

**Now assume that there would be a astronaut who are travelling in space with speed of light then we can assume that he will be travelling in past and we are doing travelling in future on earth**

*ARTICLE WRITTEN BY PANKAJ CHAUHAN*
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