The force of an impact between planetesimals was often strong enough to pulverize rock. The meteorites Paragould and Naryilco (right) illustrate two such events. In each, the dark portions of the meteorites are tiny pieces of the same rock that were shattered and heated by impact.
Fell February 17, 1930 Greene County, Arkansas, USA
Keywords: Astrogeology, Astronomy, Collisions (Astrophysics), Meteorites, Planets--Origin