7 billion-year-old stardust found in Australian meteorite
CHICAGO (UPI) -- Scientists have found stardust older than the sun trapped in the Murchison meteorite, which crashed into Australia in 1969. "These are the oldest solid materials ever found, and they tell us about how stars formed in our galaxy," Philipp Heck, a curator at the Field Museum and associate professor at the University of Chicago, said in a news release. Presolar grains are bits of stardust that were formed before the birth of the sun. The grains are […]
