6 Things Light Tells Astronomers

#Space

Sun, Aug 10th, 2014 11:00 by capnasty NEWS

Quick and very educational TED-Ed video that explains all the things astronomers can understand by looking at the light of stars from the distant universe.

Humanity has long been looking at the universe and asking the big questions: How did it begin? How will it end? Cosmologists are searching hard for the answers, but where do they even start? The answer is light. Pete Edwards outlines the six unique messages that light carries which, when put together, disclose a stunning amount of information to astronomers.

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