Detailed explanation and options for the selected question.
Which exoplanet detection method measures the dimming of a star as a planet passes in front?
A.
Radial velocity method
B.
Transit method
C.
Direct imaging
D.
Gravitational microlensing
Explanation:
The transit method observes star brightness dips when a planet crosses its face. Radial velocity checks star wobble, direct imaging is rare, microlensing is gravitational lensing.