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z - KICP Workshops - University of Chicago

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AFTA will have the sensiAvity and the<br />

control <strong>of</strong> systemaAcs to enable a major<br />

discovery <strong>of</strong> the nature <strong>of</strong> dark energy!<br />

By measuring the relaaonship<br />

between distance and redshio, we<br />

will be able to determine the<br />

properaes <strong>of</strong> dark energy.<br />

These properaes are ooen<br />

characterized by w and its ame<br />

derivaave, dw/da.<br />

If w < -­‐1, the universe will someday<br />

by torn apart in a “big rip” that<br />

destroys spaceame.<br />

56

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