WORM HOLES :-

The person who wants to be a time traveller must know about wormholes. It is the one of the way to dilate the real space time. graphically it is represented by the below picture.

This is due to the reaction of two black holes which are seperated by certain distance.This is what the reason of black holes.

There is much more topics beyond the black holes which now a daya plays a vital role in astronomy. They are called as einstein-rosen bridge since they released more about this.

The black holes are the result of huge mass of ordinary star which can even absorb light. This combination of two black holes puts effort more than the single black hole. This also paves the way for travelling from one system of the extra terrestrial space to another.

But the only disadvantage about these black holes is that they can exist only for a fraction of second.So it is impossible to research more about this magical worm hole.