Ballooning for Cosmic Rays
Astronomers have long thought that supernovas are the source of Galactic cosmic rays, but there's a troubling discrepancy between theory and measurements. An ongoing balloon flight over Antarctica could shed new light on the mystery.
FULL STORY and GRAPHICS at:
http://science.nasa.gov/headlines/y2001/ast15jan_1.htm?list112226###
Contact: Tony Phillips[email protected]