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- Prior to the 1990s, these were considered the only two possibilities for the future of our universe.
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- Supernova data suggests that our universe is not slowing in its expansion, but accelerating.
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- After the 1990’s, a third possibility emerged from the observations – it appears the universe is accelerating.
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- Only 4% of the mass-energy of the universe is composed of ordinary atoms.
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- The South Pole Telescope is active in the hunt for the effects of Dark Matter and Dark Energy.