Lecture 10 Overview of the Solar System

1
Lecture 10Overview of the Solar System
2
Overview of the Solar System
Neptune (11 moons)
Asteroid Belt
Earth (1 moon)
Saturn (31 moons)
Mercury (no moons)
Uranus (21 moons)
Pluto (1 moon)
Jupiter (61 moons)
Mars (2 moons)
Venus (no moons)
Inner Planets Terrestrial Planets
Outer Planets Jovian Planets
3
Terrestrial Planets
4
Jovian Planets Pluto
5
Solar System -- Size Scale
6
The Inner and Outer Planets
Property
Inner
Outer
7
Orbital Properties

• All planets revolve around the sun in the same
  direction.
• Most planets, and the sun, rotate in the same
  direction as they revolve about the sun.
• All planets orbit roughly in the same plane.
• Most planetary orbits are not highly elliptical.

8
Orbits of the Planets
9
Measuring Distances in the SS

• Distances are measured in Astronomical Units (AU)
• 1 AU 150,000,000 km 93,000,000 miles

10
The Solar Constant

• For other planets

• Mars R1.5 AU

• Neptune R30 AU