The Big Bang is a phenomenon that was born from a human belief.The belief is a delusion to say that there is a beginning and end to anything.Until the time that Dr. A.Einstein was active, the universe was present on a regular basis. There is no inconvenience even if the universe is present on a regular basis.

At first glance, Photon's journey looks like a full sail. However, Photon's actual journey is a series of hardships. Photon overcomes the hardships and get to the Earth's galaxy from distant galaxies. The hardship shows that it causes redshift.