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Currently you are able to watch "How The Universe Works" streaming on Discovery + or for free with ads on The Roku Channel.
State-of-the art graphics, stunning images from the Hubble Space Telescope and NASA's fleet of spacecraft and the world's leading researchers seek to unravel the mysteries of the Universe: why did it begin; what was the origin of life; how will it end; can we find other lifeforms 'out there'?