作者: H. F. Petersons
DOI: 10.1007/BF00058108
关键词:
摘要: Conditions for the formation of a large gaseous protoearth and satellite are considered. The energy required is assumed to come from gravitational contraction form Sun, protoearth, core overturn planetesimal impacts on protoearth. model compatible with geochemical, tidal angular momentum data.