Uncertainty Principle Of The Quantum Mechanics
before edin Hubble people believe that universe is static even Einstein has same believe but when Hubble discover universe is expanding the it is obvious in the past the galaxies are above each other and there will be no mater ,no energy in first if there must be a cause which give rise to this universe link of Stephen hocking video https://www.youtube.com/watch?v=tI1ZBUzRgcs