Antarctic Meteorite Has Unique Chemical Composition

news.bbc.co.uk — Detailed analysis has shown that the sample, known as MM40, has a chemical composition unlike any other fragment of fallen space rock. This, say experts, raises questions about where it originated in the Solar System and how it was created. It also means that astrochemists must expand their list of the combinations of materials in planetary crust. Apr 7, 2009 View in Crawl 4