Which Characteristic Is NOT Typical of Our Planetary System

question 47

Multiple Choice

Which characteristic is NOT typical of our planetary system?

• A) The spin axes of most of the planets are aligned to within 30° to the perpendicular of the orbital plane.
• B) The orbits of most of the planets are almost circular.
• C) Most of the planets orbit the Sun in the same direction.
• D) The physical size of most of the planets is about the same.