Microlensing to detect extrasolar planets depends on
A) the gravity of a distant star and planet causing light from a distant star to be bent and momentarily brightened.
B) the use of very small lenses that are combined to make a large telescope.
C) the use of black holes to curve space and time to bring the image of the planets closer to Earth.
D) All of the above

Question

Quizplus · Accepted Answer

Microlensing to detect extrasolar planets relies on the gravity of a distant star and planet causing light from a distant star to be bent and momentarily brightened. The other options (B and C) are not accurate descriptions of the technique.

Microlensing to Detect Extrasolar Planets Depends on