PLANETARY SCIENCE:
The Primordial Porridge
Bernard Marty
Interplanetary dust particles contain organic matter thought to have formed either before our solar system or early in its history. Similar matter appears in the oldest meteorites.
The author is at the Centre de Recherches Pétrographiques et Géochimiques, Vandoeuvre-lès-Nancy Cedex, 54501 France. E-mail: bmarty{at}crpg.cnrs-nancy.fr