What we can learn from galaxies far, far away – Henry Lin

View full lesson: http://ed.ted.com/lessons/what-we-can-learn-from-galaxies-far-far-away-henry-lin

In a fun, excited talk, teenager Henry Lin looks at something unexpected in the sky: galaxy clusters. By studying the properties of the universe’s largest pieces, says the Intel Science Fair winner, we can learn quite a lot about our own world and galaxy.

Talk by Henry Lin.