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Harvard-Smithsonian Center for Astrophysics

The Older We Get, The Less We Know (Cosmologically)

22 May 2012, 20:26 UTC
The Older We Get, The Less We Know (Cosmologically)

May 22, 2012: The universe is a marvelously complex place, filled with galaxies and larger-scale structures that have evolved over its 13.7-billion-year history. Those began as small perturbations of matter that grew over time, like ripples in a pond, as the universe expanded. By observing the large-scale cosmic wrinkles now, we can learn about the initial conditions of the universe. But is now really the best time to look, or would we get better information billions of years into the future - or the past?

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