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Current Event August 31, 2016

Gravitational Waves

Scientists have discovered evidence of gravitational waves, which show ripples in space and time. A new machine has made it possible for scientists to observe space in a whole new way. Recently, the machine picked up vibrations from the collision of two black holes. The discovery comes a few months after the very first detection of gravitational waves. With these tools, scientists can look at the universe in a new way. In this story you will hear the signal from the black holes converted from gravitational waves to soundwave.

Space Systems Earth and Space Science

Story Length: 4:03

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National Public Radio © 2016 National Public Radio, Inc. Used with the permission of NPR. All rights reserved.

AIR DATE: 06/16/2016

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