Astronomy_1_worksheet_4_part_8 - 1. System, that is; that...

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1. System, that is; that the Sun is the center of our Solar System and the planets (and moons) circle the Sun and each other . Today, the four large moons that Galileo discovered are known as the Galilean satellites . 2. There are many strange worlds in our Solar System. The first Galilean moon, named Io, is one of them. Using the Navigation menu at the top of the Celestia screen, select Solar System Browser , click the ( + ) next to Jupiter and select “ Io. Choose Go To and click OK . Swing the moon around with your right-click-drag mouse so that its sunny side is facing you. 3. Although it is far from the Sun and is frigidly cold (-140° C or -220° F), Io has over 300 active volcanoes. Many of them erupt every few months. All that yellow on the moon is silicon and sulfur and the black marks are volcanic ash. If you could smell its very thin poisonous atmosphere, it would smell of matches and rotten eggs. 4.
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This note was uploaded on 03/06/2010 for the course ASTRONOMY astronomy taught by Professor Moth during the Fall '09 term at California State University , Monterey Bay.

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Astronomy_1_worksheet_4_part_8 - 1. System, that is; that...

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