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Redefining Reality - The Intellectual Implications of Modern Science

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close enough to be causally connected; the concern about needing<br />

processes faster than light would disappear because these parts were<br />

<br />

had brought themselves into equilibrium would be so far isolated<br />

<br />

<br />

<br />

<br />

<br />

<br />

uniform expansion, giving a uniform energy density.<br />

<br />

<br />

<br />

<br />

and time?<br />

<br />

<br />

Another problem is the smaller-scale irregularities. What caused<br />

the galaxies and clusters <strong>of</strong> galaxies?<br />

<br />

<br />

give rise to the equilibrium necessary for the homogeneity and<br />

isotropy we see now.<br />

<br />

<br />

But equilibrium is never perfect; there are always small<br />

<br />

distributed these irregularities throughout space in a random<br />

<br />

nature <strong>of</strong> them such that they would form the seeds necessary<br />

to spawn galaxies.<br />

Skeptics, however, contend that the seeds planted by<br />

<br />

universe was still too hot. Protons and electrons may have<br />

78

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