Gaps in the asteroid belt (often called Kirkwood gaps) are caused by ________.
A) orbital resonances with Jupiter
B) tidal forces from the Sun
C) tidal forces from Jupiter
D) the competing gravitational tugs of Mars and Jupiter

Question

Quizplus · Accepted Answer

Orbital resonances with Jupiter cause asteroids in certain areas to be influenced by Jupiter's gravity, causing them to be able to orbit only in certain locations within the asteroid belt. This creates gaps in the asteroid belt known as Kirkwood gaps.

Gaps in the Asteroid Belt (Often Called Kirkwood Gaps) Are