Why Don't Short-Period Comets Have Randomly Oriented Orbits

question 4

Multiple Choice

Why don't short-period comets have randomly oriented orbits?

• A) Their orbits have been altered by encounters with planets.
• B) Their orbits are altered by the Sun's gravitational pull.
• C) Their orbits have been altered by impacts from asteroids.
• D) Their orbits have been altered by the Lagrange points of Jupiter.
• E) Their orbits have been altered by solar wind particles from a CME.