Which of the following methods has led to the most discoveries of extrasolar planet candidates?
A)detecting the gravitational effect of an orbiting planet by looking for the Doppler shifts in the star's spectrum
B)detecting the infrared light emitted by the planet
C)detecting a planet ejected from a binary star system
D)detecting the dip in measured brightness as the planet crosses our line of sight to the star
E)detecting the shift of the star's position against the sky due to the planet's gravitational pull

Question

Quizplus · Accepted Answer

The transit method, which involves detecting the dip in brightness as a planet crosses in front of its star, has led to the most discoveries of extrasolar planet candidates.

Which of the Following Methods Has Led to the Most