The night before the exam, sleep. A rested mind recalls what a tired one has only read.

Solar System — quick quiz

2 NSEA-pattern questions on Solar System. Instant scoring and solutions, no signup — see where you stand in a few minutes.

Question 1 of 2

Medium

A planet has a semi-major axis of 5.2 AU. According to Kepler's Third Law, what is its approximate orbital period?