| Listening to the Universe
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Astronomers from Galileo to Einstein have used their eyes and ever improving
telescopes to learn about the Universe. Today a new window is opening on our
understanding of space. New gravitational wave detectors will catch ripples
from distant stars and galaxies. Telescopes have been used to build a
silent picture of the Universe, and catching gravitational waves will be
like turning on the sound to listen to the Universe.
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