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Unformatted text preview: them all? 175 years 7. Explain how “gravity assist” works: Use gravity of planet to change speed and direction of spacecraft relative to sun as it goes past planet 8. What does the “Shepherding Theory” explain? Inner faster moving moon accelerates particles into higher orbit. Slower outer moon decelerates particles causing them to move to lower orbit. This produces a sharp narrow ring....
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This note was uploaded on 07/04/2011 for the course PHYS 2425 taught by Professor Sherman during the Spring '08 term at Collin College.
- Spring '08