Parent bodies main content.

Parent bodies

Part of Hall of Meteorites.


In just a few thousand years, the solar system evolved from a collection of small particles sticking together to an assortment of larger bodies known as planetesimals—precursors of the planets. Today, fragments of this primordial material fall to Earth as meteorites, although pieces of the same object do not necessarily fall at the same time. Scientists have identified groups of meteorites with the same composition—and have concluded that members of the same group