The Science Of Interstellar

The movie "Interstellar", written and directed by Christopher Nolan was a great example of explaining many popular topics of science. Space scientist who embark on a voyage on finding another habitable planet to prevent the extinction of human race travel distances to further galaxies by the help a wormhole setup by the advance beings.

Wormholes: 

Wormholes can be simplified as a bridge between the dimensions of space-time to connect two different distant places. One can travel distances through a wormhole even faster than the speed of light. It was long before theorized by Einstein by his theory of Relativity. Einstein-Rosen bridge as the theory is defined, acts as two massive Black holes working together on transporting an object between two distant positions. One of them would suck the object in and the other also known as the White hole will help in sucking out the object. In the movie it was visualized as a sphere filled with a greater dimension than the one we live in.

Black Holes:

Next, the movie talks about Black holes and how their gravitational force affects time. Firstly, Black hole is region in space where the force of gravity is so strong that the even light, the fastest known entity cannot escape. They are formed when massive stars die and collapse. Thus the gravitational force around it is too high. Gravity curves the dimension of space-time and thus time slows according to the gravitational pull. In the movie they travel to a planet which is very close to a Black hole termed as "Gargentua" so the rate in which time flows over there is too slow respective to the rate at which time flows on Earth.

Fifth Dimension:

The existence of the fifth dimension is discovered towards the end of the movie when the lead character of the movie "Cooper" jumps into the Black hole and finds himself in a higher dimension. In reality no one survives the Black hole but as the film takes the road of fiction we assume that the character anyhow survived. This was the fifth dimension. Here time was regarded as a physical quantity and thus the past timeline could be revisited. In our limits within the third dimension Time is something which we cannot trace or keep it as a record but in the higher dimension which we in reality cannot perceive, time is like a mountain which can be climbed to any point of events. In the movie the lead character visits his past timeline and tries to warn his past self to not leave for his space voyage. But soon after that he realizes he cannot alter his past and thus becomes the cause of the very event he tried to prevent. This is called a causal loop.

Written By: Kishlay Dwivedi

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