Search This Blog

Tuesday, September 20, 2011

FYI: Can Anything Move Faster Than Light?

Exceeding the Speed of Light Everett Collection

Yes, the universe itself will eventually outpace the speed of light. Just how this will happen is a bit complicated, so let’s begin at the very beginning: the big bang. Around 14 billion years ago, all matter in the universe was thrown in every direction. That first explosion is still pushing galaxies outward. Scientists know this because of the Doppler effect, among other reasons. The wavelengths of light from other galaxies shift as they move away from us, just as the pitch of an ambulance siren changes as it moves past.

Read More: http://www.popsci.com/science/article/2011-09/fyi-can-anything-move-faster-light

No comments:

Post a Comment