Which of these time sequences for the formation of the solar system is MOST probable?
A) The Sun contracted first as a gas ball, and the planets and moons formed shortly afterward by accretion and condensation.
B) The Sun formed first, the planets were spun off from the Sun, and the moons in turn were spun off from the planets.
C) The planets formed first out of a cold nebula of gas and dust, followed by the Sun, which formed when the gas had become much hotter.
D) The Sun formed initially, and the planets and major moons were captured much later as they drifted by the Sun.

Question

Quizplus · Accepted Answer

The most widely accepted model for the formation of the solar system is the nebular hypothesis, which suggests that the Sun formed first from the gravitational collapse of a gas cloud and that the planets formed later from the disk of material orbiting the Sun.

Which of These Time Sequences for the Formation of the Solar