ALL meanings of planetesimal hypothesis
plan·e·tes·i·mal hy·poth·e·sis
P p - noun planetesimal hypothesis one of the small celestial bodies that, according to one theory (planetesimal hypothesis) were fused together to form the planets of the solar system. 1
- adjective planetesimal hypothesis of or relating to a planetesimal or planetesimals. 1
- noun planetesimal hypothesis the discredited theory that the close passage of a star to the sun caused many small bodies (planetesimals) to be drawn from the sun, eventually coalescing to form the planets 0
- noun planetesimal hypothesis any of several theories postulating that the solar system originated with planetesimals 0