Rare Sahara Meteorite May Be a Fragment of a Lost Protoplanet
Meteorite Northwest Africa 12774 (NWA 12774) contains mineral evidence suggesting it originated from a destroyed protoplanet rather than a small asteroid. According to research led by Dr. Aaron Bell of the University of Colorado Boulder, the presence of aluminum-rich clinopyroxene indicates the rock formed under high pressure within a body at least 1,000 kilometers in … Read more