This preview shows pages 1–3. Sign up to view the full content.
This preview has intentionally blurred sections. Sign up to view the full version.View Full Document
Unformatted text preview: o outer gap would have objects with orbital period = 1/2 period of Jupiter o Figure 10.7 shows a graph of the number of asteroids at each distance [Link to Figure 10.7] • orbits are not perfect circles (are ellipses) o so some asteroids are found in the gaps as they pass through Jupiter's gravity removed other material from this area and kept materials from collecting into a planet Other Asteroids: Trojan asteroids - trapped in Jupiter's orbit by balance of gravity from Sun and Jupiter Amor asteroids - orbit the Sun but cross the orbit of Mars Apollo asteroids - orbit the Sun but cross the orbit of Earth • could collide with Earth (several near misses) • collision 65 million years ago may have caused extinction of dinosaurs...
View Full Document
This note was uploaded on 03/09/2012 for the course AST 1002 taught by Professor Emilyhoward during the Spring '10 term at Broward College.
- Spring '10