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Space sciences/Astronomy/Celestial bodies/Meteorites/Stony meteorites/Chondrites

The study provides the first isotopic evidence that the moon formed from a collision between Earth and a mysterious planetary object.

Researchers got their first up-close look at dust from a small, stony asteroid after the Hayabusa spacecraft scooped up the dust from the asteroid’s surface and brought it back to Earth. Analysis of the dust particles, detailed in the 26 August issue of Science, confirms a long-standing suspicion: Most common meteorites found here on Earth, known as ordinary chondrites, are born from these stony, or S-type, asteroids.