6 Things Light Tells Astronomers


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.



You may also be interested in:

Archive of Colour Photographs from the Apollo Missions
We Now Have an Idea of Just How Immeasurable the Heavens Are
Using Asteroids as Spaceship Filling Stations
Firefly: Low-Cost Satellite Launch to Low Earth Orbit
"Present-day life is actually premature from a cosmic perspective."