Cancel

Skywatch - MP3

Menu

Episode 125: HubbleWatch for October 2007

Play Oct 25•5:15

Astronomers now know that that the expansion of the universe is speeding up, as though it were being pushed by kind of strange anti-gravity. Ten years after the discovery, scientists are still trying to find out what this mysterious force, called "dark energy," might be. The more scientists study the tiny galaxy I Zwicky 18, the older it looks. The galaxy has an odd combination of young and ol...

Report

Are you sure you want to report this content as offensive?

Confirm Cancel

This content has been reported.


Close
30
30
0:00 / 0:00