Stephen hawking why do we exist

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In the new work, The Grand Design, Professor Stephen Hawking argues that the Big Bang, rather than occurring following the intervention of a divine being, was inevitable due to the law of gravity. In his book, A Brief History of Time, Hawking had seemed to accept the role of God in the creation of the universe. But in the new text, co-written with American physicist Leonard Mlodinow, he said new theories showed a creator is "not necessary".

But Hawking says science has an explanation here, too. To illustrate, he points to the physics of black holes — collapsed stars that are so dense, nothing, including light, can escape their pull.

Black holes, like the universe before the Big Bang, condense into a singularity. In this ultra-packed point of mass, gravity is so strong that it distorts time as well as light and space.

Simply put, in the depths of a black hole, time does not exist. Because the universe also began as a singularity, time itself could not have existed before the Big Bang. Hawking's answer, then, to what happened before the Big Bang is, "there was no time before the Big Bang. This argument will do little to persuade theistic believers, but that was never Hawking's intent. As a scientist with a near-religious devotion to understanding the cosmos, Hawking sought to "know the mind of God" by learning everything he could about the self-sufficient universe around us.