Systems
description
Transcript of Systems
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Gravitationally Bound Systems
King City Astronomy 1Class 2
Zoe Buck
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The Most Important Things about GRAVITATIONALLY BOUND SYSTEMS
• Gravitationally bound systems are made up of objects held in orbit about each other by their gravitational attraction
• A gravitationally bound system can have any number of objects• All gravitationally bound systems have a center of gravity• A solar system is a gravitationally bound system (example: our
Solar System)• A star system is a gravitationally bound system (example: a star
cluster)• A galaxy is a gravitationally bound system (example: The Milky
Way Galaxy)• A group, or cluster of galaxies is a gravitationally bound system
(example: Local Group)• A super cluster is NOT gravitationally bound (example: Virgo
Supercluster)
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Gravitationally Bound:
Objects held in orbit about each other by their
gravitational attraction
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Center of gravity
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http://merganser.math.gvsu.edu/david/reed03/projects/salomne/index.html
http://www.youtube.com/watch?v=gM4fmL6dLdY
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Galaxy groups and clusters are the largest gravitationally bound systems that we have observed in the Universe
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Galaxies
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Star Systems
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Solar Systems
NOT our Sun!
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Earth-Moon System
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The Most Important Things about GRAVITATIONALLY BOUND SYSTEMS
• Gravitationally bound systems are objects held in orbit about each other by their gravitational attraction
• A gravitationally bound system can have any number of objects• All gravitationally bound systems have a center of gravity• A solar system is a gravitationally bound system (example: our
Solar System)• A star system is a gravitationally bound system (example: a star
cluster)• A galaxy is a gravitationally bound system (example: The Milky
Way Galaxy)• A group, or cluster of galaxies is a gravitationally bound system
(example: Local Group)• A super cluster is NOT gravitationally bound (example: Virgo
Supercluster)