Allende Meteorite Shatters Solar System Myths | Space News

A meteorite that crashed to Earth half a century ago has provided a jolt of surprise to astronomical theory. The object, called the Allende meteorite, exploded over the desert in Mexico in 1969. Scientists studying meteorite fragments have made a shocking discovery. Material in the fragments, which the scientists have interpreted as pre-solar grains, or interstellar stardust composed of silicon carbide, is now being described as the “oldest known material on Earth.” This does not fit with the notion that me