feb 292012
New model provides different take on planetary accretion

T. A. Rector & B. A. Wolpa, NOAO, AURA, This image of the Eagle Nebula, made with data from the Kitt Peak telescope, corresponds more closely to the authors’ model than to the traditional model. In their model planets form in a cold, three-dimensional cloud of gas and dust.   The prevailing model for planetary [continue reading]