Comets have been discovered around the star Beta Pictoris through
A) emission from gas evaporated when the comets pass close to their star.
B) impacts on the system's gas giants.
C) their gravitational effects on the system's small planets.
D) obscuration caused by dust evaporated from the comets' nuclei.

Question

Quizplus · Accepted Answer

The discovery of comets around Beta Pictoris was made through the detection of emission from gas that evaporates when the comets pass close to the star, indicating their presence.

Comets Have Been Discovered Around the Star Beta Pictoris Through