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{{quoteBox|The problem is this: even assuming the big bang timescale, there has not been enough time for light to travel between widely separated regions of space. So, how can the different regions of the current [cosmic microwave background] CMB have such precisely uniform temperatures if they have never communicated with each other? This is a light-travel–time problem.<ref>Lisle, Jason, [http://creationontheweb.com/content/view/167/ Light-travel time: a problem for the big bang], ''Creation'' 25(4):48–49, September 2003.</ref>}}

{{quoteBox|The problem is this: even assuming the big bang timescale, there has not been enough time for light to travel between widely separated regions of space. So, how can the different regions of the current [cosmic microwave background] CMB have such precisely uniform temperatures if they have never communicated with each other? This is a light-travel–time problem.<ref>Lisle, Jason, [http://creationontheweb.com/content/view/167/ Light-travel time: a problem for the big bang], ''Creation'' 25(4):48–49, September 2003.</ref>}}

Recognizing this difficulty, physicist [[Alan Guth]] put forth a possible solution he named [[cosmic inflation]].

Recognizing this difficulty, physicist [[Alan Guth]] conjured an explanation he named [[cosmic inflation]].

According to this theory, during the universe's first 10^-35 of a second, a period of extremely rapid, exponential inflation occurred, expanding the universe by a factor of at least 10²⁶.

According to this claim, during the universe's first 10^-35 of a second, a period of extremely rapid, exponential inflation occurred, expanding the universe by a factor of at least 10²⁶.

It would be the equivalent of taking a pea and expanding it to the size of our solar system in a time less than a millionth of a blink of an eye.

It would be the equivalent of taking a pea and expanding it to the size of our solar system in a time less than a millionth of a blink of an eye.

If this occurred, it would mathematically allow for the uniformity of the [[CMBR]] - the vast distances were in thermodynamical contact before the rapid inflation.<ref>Castelvecchi, Davide, [http://www.symmetrymagazine.org/cms/?pid=1000045 The Growth of Inflation] ''Symmetry'', 1(2), December 2004, p.12-17</ref><ref>Hinshaw, Gary, [http://physicsworld.com/cws/article/print/24768 WMAP data put cosmic inflation to the test], 3rd May, 2006 (PhysicsWorld.com).</ref>

If this occurred, it would mathematically allow for the uniformity of the [[CMBR]] - the vast distances were in thermodynamical contact before the rapid inflation.<ref>Castelvecchi, Davide, [http://www.symmetrymagazine.org/cms/?pid=1000045 The Growth of Inflation] ''Symmetry'', 1(2), December 2004, p.12-17</ref><ref>Hinshaw, Gary, [http://physicsworld.com/cws/article/print/24768 WMAP data put cosmic inflation to the test], 3rd May, 2006 (PhysicsWorld.com).</ref>

The mechanism that would cause this sudden expansion is not known.

However, no  mechanism that would cause this sudden expansion is known, and inflation remains, at present, entirely speculative.

==Creationist and Theistic Evolutionary Views==

==Creationist and Theistic Evolutionary Views==