53. We* (Allah) shall show them Our Signs onthe horizons and within themselves, until it becomes clear to them that it is the Truth. Is it not sufficient that the Lord is Witness over all things?
* One of the usages of 'we' in Arabicis for glorifying and indicating the greatness of a person. Here it indicates greatness and not plurality.
We live in an amazing universe. It is auniverse peculiarly balanced, and purposefully tempered as if to provide a safe host for living creatures.
According to modern astronomers, the universeis expanding. They hold that if gravity had been only slightly stronger, it would have overtaken expansion very early and caused the universe to collapse.Had gravity been slightly weaker, universe expansion would have become a runaway process, not allowing
time for the formation of galaxies and stars. If either of these had occurred, there would never have been an Earth on which creatures could live. This universe seems designed, even meticulously tailored to provide suitable conditions for living.If other basic ratios and constants had been just slightly different, the universe would not have been favorable to our existence.
If, for instance, the strong and weak nuclear forces were slightly stronger relative to the electromagnetic forces, hydrogen would not exist in its ordinary form. This would mean that heavier elements,such as carbon and oxygen - two of the essential building blocks of life - would never have existed.
The strength of gravity is crucial to the existence of life in the universe in another way. If it were weaker, then it could not crush the material in a star the size of the Sun with enough force to ignite its thermonuclear reactions. Only very massive stars would shine, and such stars would probably have too short lifespan to allow for the development of life.
These indications that the universe has been arranged to favor the appearance and survival of life has been taken very seriously by certain scientists. Prominent among them is astronomer BrandonCarter. Modern science estimates that it has taken 4 billion years for humanbeings to evolve from unicellular life forms. Carter has calculated that the average period for any evolution of this magnitude should take much longer -about 10 billion years. That is longer than the lifespan of a Sun-sized star,and much longer than the period of life-favorable conditions on Earth.
It would seem that intelligent life appeared on Earth despite its high improbability. We are again pulled towards recognizing the Creator.
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