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Line 59: − − Current theories on the universe means that scientists are only able to account for 4% of the matter in the universe, so new theories of dark matter (unseen matter) have been developed to explain this.<ref>[http://www.msnbc.msn.com/id/20360059/ Where is the rest of the universe?]</ref>
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There have been and continue to be a number of competing ideas about the universe, but most agree that the universe is expanding.
There have been and continue to be a number of competing ideas about the universe, but most agree that the universe is expanding.
The size, shape, and age of the universe, as well as how it began, are, however, all points of contention.
The size, shape, and age of the universe, as well as how it began, are, however, all points of contention. Current theories on the universe means that scientists are only able to account for 4% of the matter in the universe, so new theories of dark matter (unseen matter) have been developed to explain this.<ref>[http://www.msnbc.msn.com/id/20360059/ Where is the rest of the universe?]</ref>
== Shape ==
== Shape ==
Normally two ants moving away from each other could not exceed a speed of 40 cm/s relative to each other (speed of light).
Normally two ants moving away from each other could not exceed a speed of 40 cm/s relative to each other (speed of light).
However, if the cord is stretched while the ants are moving (expansion of space), the ants' speed relative to each other can be greater.
However, if the cord is stretched while the ants are moving (expansion of space), the ants' speed relative to each other can be greater.
==See also==
==See also==
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