Did you watch last week’s episode? We did and we have a full and detailed recap, right here. Also: Tyson traveled to the event horizon of a black hole. On last week’s episode a journey back to 1809 featured astronomer William Herschel’s observations on the effects of light on time and gravity. Also: astronomer William Herschel discovers infrared radiation in 1800. Tonight on NBC Carl Sagan’s stunning and iconic exploration of the universe as revealed by science, COSMOS: A SPACETIME ODYSSEY returns to NBC with a new episode called, “Hiding in the Light.” On it the behavior of light and its relationship to vision are studied by Ibn al-Haytham in the Middle East during the 11th century.
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