The Basic Idea Behind the Planetesimal Hypothesis Is That

question 70

Multiple Choice

The basic idea behind the planetesimal hypothesis is that

• A)planets form as a direct result of the nuclear fusion of nebular gases and planetesimals.
• B)planets form from the remains of super-giant planetesimals that undergo nuclear fission and blow apart,thereby creating smaller objects-the planets.
• C)early in the solar system's history,a star passed near to the Sun and pulled off gases that eventually condensed to form planets.
• D)matter in a nebula experiences mutual gravitational attraction,and this results in the gradual accretion of larger and larger bodies-planetesimals.
• E)electrical space storms charged particles that were attracted together to form planets.

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