planetesimal hypothesis meaning in Hindi

This caused a feud with Forest Moulton, who co-developed the planetesimal hypothesis.
He is noted for being a proponent, along with Thomas Chamberlin, of the Chamberlin Moulton planetesimal hypothesis that the planets coalesced from smaller bodies they termed planetesimals.
His planetesimal hypothesis of planet formation is still widely accepted among astronomers, although alternative theories exist ( such as the gravitational fragmentation of the protoplanetary disk directly into planets ).

noun.

(cosmology) the theory that the solar system was formed by the gravitational accumulation of planetesimals