Why are extrasolar planets difficult to detect?
A) They are generally small.
B) They are faint.
C) They are too close to the glare of their respective parent star.
D) all of these

Question

Quizplus · Accepted Answer

Extrasolar planets are difficult to detect because they are generally small, faint, and too close to the glare of their respective parent star. These factors make it challenging to observe them directly and require indirect methods of detection such as the radial velocity method or the transit method.

Why Are Extrasolar Planets Difficult to Detect