An underground crater in Inver Grove Heights and a Champlin backyard find can tell us a lot about ancient history and outer space.
In the early days of our solar system, Anoka II like all iron meteorites was once the metallic core of an ancient protoplanet or smaller planetesimal.
Earths core is made up of similar minerals, sa… [+1049 chars]
Earths core is made up of similar minerals, sa… [+1049 chars]