Mineralogy

Four Fascinating Meteorites That Provide Clues to Understanding Our Solar System

Meteorites have been falling to Earth for literally hundreds of millions of years—and continue to land here today. Our Meteorites exhibition features rare and fascinating meteorites, from fossil meteorites to a meteorite on Mars. 

Today’s rare meteorites were once common

Four hundred and sixty-six million years ago, there was a giant collision in outer space. Something hit an asteroid and broke it apart, sending chunks of rock falling to Earth as meteorites since before the time of the dinosaurs. But what kinds of meteorites were making their way to Earth before that collision? In a new study in Nature Astronomy, Field Museum scientists have tackled that question by creating the first reconstruction of the distribution of meteorite types before the collision.

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