A meteorite's pristine origins

By Ron Cowen, 15:48 PM April 15, 2008

A rare, carbon-rich meteorite that fell into a frozen Canadian lake early last year (SN: 4/8/00, p. 235) ranks as the most pristine of such specimens ever found, report the researchers who conducted the first chemical analyses.

The Taglish Lake meteorite is classified as a carbonaceous chondrite, one of the first group of meteorites to have formed in the solar system. The rock contains buckyballs–soccerballshaped molecules made of carbon–filled with the inert gases helium and argon. The ratio...

Source URL: https://www.sciencenews.org/article/meteorites-pristine-origins