The flattened, rotating disk of gas and dust around the protosun, from which planets were believed to have formed, is called the
A) solar nebula.
B) planetary nebula.
C) condensation nebula.
D) primordial nebula.

Question

Quizplus · Accepted Answer

The solar nebula theory is the most widely accepted model explaining the formation and evolution of our solar system. It suggests that the Sun and the planets formed from the gravitational collapse of a giant interstellar gas and dust cloud—the solar nebula.

The Flattened, Rotating Disk of Gas and Dust Around the Protosun