as2 - The solar system What is the solar system? The Sun,...

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The solar system
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What is the solar system? The Sun, its planets and other objects in orbit are all together known as the solar system.
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The nine planets (starting with the closest to the Sun) Mercury Venus Earth Mars Jupiter Saturn Uranus Neptune Pluto
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How do these planets move? The Sun is a star which the nine planets move around. The path each planet travels around is called it orbit. The planets are kept in their orbits due to the pulling force of the Suns gravity.
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What are moons? Moons are ‘natural satellites’ Moons orbit around a planet The moon stays in its orbit due to the gravitational pull of the planet Our moon has a circular orbit We see the moon because it reflects light
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What else is found in our Solar system? Asteroids Meteorites Comets These are minor planets found in their thousands between Mars and Jupiter These are probably fragments of asteroids that broke up These are lumps of ‘dirty ice’ a few km across that travel in highly elliptical orbits. As they near the Sun they warm up. This causes a tail of dust and cloud.
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This note was uploaded on 02/16/2011 for the course AST 1002 taught by Professor Dr.haywoodsmith,jr during the Spring '07 term at University of Florida.

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as2 - The solar system What is the solar system? The Sun,...

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