Why have astronomers found more Jupiter-sized planets at a distance of 1 AU around other stars than Earth-sized planets?
A) A Jupiter-sized planet occults a larger area than an Earth-sized planet.
B) A Jupiter-sized planet exerts a larger gravitational force on the star than an Earth-sized planet,and the Doppler shift of the star is larger.
C) A Jupiter-sized planet shines brighter than an Earth-sized planet.
D) Earth-sized planets are much rarer than Jupiter-sized planets.
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