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.

  1667

 

You may also be interested in:

Archive of Colour Photographs from the Apollo Missions
"Contact could mean extraordinary things for humanity if it happens soon."
The Breathing Earth
The Great Easter Egg Hunt: The Void's Incredible Richness
“Not a single personal insult was uttered by any member of the crew.”