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Skylight: Looking Back in Time at the Speed of Light

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Channel: American Museum of Natural History
Categories: Astronomy   |   Physics   |   Science  
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Light takes time to travel from stars and distant galaxies to observers here on Earth. How much have the stars changed since first emitting the light that we see tonight? How far back in time are we seeing when we look at the night sky?

#lightyear #astronomy #distance #time #galaxy

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This video and all media incorporated herein (including text, images, and audio) are the property of the American Museum of Natural History or its licensors, all rights reserved. The Museum has made this video available for your personal, educational use. You may not use this video, or any part of it, for commercial purposes, nor may you reproduce, distribute, publish, prepare derivative works from, or publicly display it without the prior written consent of the Museum.

© American Museum of Natural History, New York, NY

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