Sunday, November 25, 2012

50 billion trillion

I don’t even know how to write that number, but it is the estimated number of stars in the observable universe, according to Hugh Ross, an astrophysicist and founder of the think tank Reasons to Believe.  And just think what’s out there that isn’t observable!

“One reason the universe must be so massive is that life requires it. The density of protons and neutrons determines how much of the universe's hydrogen fuses into heavier elements. With a slightly lower density (producing fewer than about 50 billion trillion observable stars), nuclear fusion would be less productive and at no time in cosmic history (either in the big bang or in stars) would elements heavier than helium be produced. Or, if the density were slightly higher (producing more than about 50 billion trillion observable stars), nuclear fusion would be so productive that only heavier-than-iron elements would exist. Either way, life-essential elements such as carbon, nitrogen, oxygen, and phosphorous would be too scarce or nonexistent.

Another life-related reason the universe must be so massive is that the cosmic mass critically influences the universe's expansion rate. If the mass density were smaller, the influence of gravity would be too weak for stars like the Sun and planets like Earth to form. On the other hand, if the mass density were greater, only stars much larger than the Sun would form. Either way, the universe would contain no stars like the Sun or planets like Earth, and life would have no possible home. The required fine-tuning is so extreme (one part in a quadrillion quadrillion quadrillion quadrillion) that if one were to remove or add a single dime's worth of mass to this vast cosmos, the balance of the observable universe would be thrown off and physical life would not be possible. Such amazing fine-tuning suggests the involvement of a supernatural, superintelligent Creator.”

God went to a lot of trouble to make our home, the Earth, just right, a place we can live and thrive and worship Him.

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