The Nebula Theory, at present the standard model of Planet formation, proposes that a star and planets are derived from a single spinning nebula.
Woolfson here introduces an alternative, the Capture Theory, in which planets are produced from a protostar tidally disrupted by a condensed star which \'captures\' most of the formed planets into orbits..
The Nebula Theory, at present the standard model of Planet formation, proposes that a star and planets are derived from a single spinning nebula