The presence of dusty disks surrounding stars similar to the Sun was surprising because
A) such systems could not have formed planets.
B) their composition differs so much from their stars.
C) their instruments were not thought to be powerful enough to make such a measurement.
D) gas and dust should be rapidly ejected into space by the radiation from a hot star.

Question

Quizplus · Accepted Answer

The presence of dusty disks around stars similar to the Sun was surprising because it was expected that the radiation from a hot star would rapidly eject gas and dust into space, leaving behind little material to form such disks.

The Presence of Dusty Disks Surrounding Stars Similar to the Sun