See the expansion of the universe.

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© Canadian Heritage Information Network, 2003


Transcript

It assumes that at the beginning, there was already empty space in which an explosion could occur. In the expanding universe model, the assumption is rather that the fabric of space itself is expanding. The galaxies are not drifting farther apart from one another in space, but rather space itself is carrying them along as it expands, as in the example of the lamp posts along a highway that is stretching out.


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