Darwin's Natural Selection
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How Many Stars in the Universe

How big is the universe? One study from Australia places the number of stars that man can see from earth with the most powerful telescopes at 7 x10²². This number was determined by calculating the number of stars in a small section of the sky and relying on the uniform nature of the universe to fill in the rest.

The true number is unknown. There could be stars in the universe whose light has not had a chance to reach earth yet. For the purpose of this discussion, assume that there are 7 x 10²² stars.

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Navigation Menu Chapter 15

Chapter 15: The Effect of Time on Evolution
        How Does Time Factor Into the Equation
        How Fast do the tries accumulate?
        How many stars in the universe?
        How many primordial soups in the universe?
        RNA self replication
        Protein Evolution
        Upper Limit in the Number of Tries
        Constraints on the First Self Replicating Molecule
        Natural selection Limits the Number of Tries
        This Simple Example Shows that Evolution Does not Work Like Darwin Imagined
        Natural Selection Reduces the Number of Tries
        Implications for the self Replicating Molecule
PDF: Natural Selection, Evolution and Time (264 Kb)

Pictures From the Galapagos-> Stuff Charles Darwin never Saw

Darwin's Natural Selection

How Many Stars in the Universe