How many times must a dip in the brightness of a star be seen in order to detect a planet with the transit technique?
A)1 time
B)2 times
C)3 times
D)4 times

Question

Quizplus · Accepted Answer

To confirm the detection of a planet using the transit technique, at least three transits must be observed. This ensures that the observed dimming is consistent and periodic, ruling out other potential causes such as stellar variability or instrumental error.

How Many Times Must a Dip in the Brightness of a Star