Please choose the correct answer to the question: When studying planetary data, Jackie found some similarities and differences among the planets that make up the solar system. Which generalization is true about the orbits of the major planets in the solar system?

Answer1: Planetary orbits have the same plane. Answer2: Planetary orbits are mostly elliptical in shape. Answer3: Planets orbit at the same speed around the Sun. Answer4: Planets orbit in different directions around the Sun.

Answer format: answer1/answer2/answer3/answer4
Answer: answer2