A large NASA science balloon has broken two flight duration records while flying over Antarctica carrying an instrument that detected 50 million cosmic rays.<img src="http://feeds.feedburner.com/~r/sciencedaily/~4/OMsffhoYE6c" height="1" width="1"/>
A large NASA science balloon has broken two flight duration records while flying over Antarctica carrying an instrument that detected 50 million cosmic rays.<img src="http://feeds.feedburner.com/~r/sciencedaily/~4/OMsffhoYE6c" height="1" width="1"/>