The basic idea behind the planetesimal hypothesis is that ? A.The basic idea beh

Question

The basic idea behind the planetesimal hypothesis is that ?

A.The basic idea behind the planetesimal hypothesis is that small grains of cosmic dust and other solids gradual accrete to form planetesimals that may grow to become protoplanets and eventually planets.

B.early in the solar system's history, a star passed near to the Sun and pulled off gases that eventually condensed to form planets.

C.planets form from the remains of super-giant planetesimals that undergo nuclear fission and blow apart, thereby creating smaller objects—the planets.

D.planets form as a direct result of the nuclear fusion of nebular gases and planetesimals.

Explanation / Answer

The answer is

A.The basic idea behind the planetesimal hypothesis is that small grains of cosmic dust and other solids gradual accrete to form planetesimals that may grow to become protoplanets and eventually planets.

Planetesimals Hypothesis is a theory about the origin of the solar system.It States that planets were formed by mutual gravitation attraction and that results in gradual accreation to form planetismals that may grow to become protoplanets and eventually planets.

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