Quiz #2 Review Giants of Science (Ch. 2), Gravity and Motion (Ch. 3) Light and Atoms (Ch. 4). Thursday 29 September 2011. Also study the Quiz 1 recap notes. What to Know from Chapter 2.
Thursday 29 September 2011
Also study the Quiz 1 recap notes
A planet sweeps out equal areas in equal time periods throughout its orbit. This occurs because a planet moves slower when it is far from the Sun, and faster when it is near the Sun
A planet’s orbital period depends on it’s distance from the Sun. A planet closer to the Sun has a shorter orbital period than a planet far from the Sun.
Planets orbit the sun in elliptical orbits with the Sun at one of the two focus points.