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EXERCISE 18

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EXERCISE 18

Using words and diagrams, answer the following question: does Venus go through a 
cycle of phases when viewed from Earth?  If so, about how long does it take for 
Venus to go from a quarter phase to a full phase?  Keep in mind that Earth's orbit 
around the Sun has a period of about 365 days, and the orbit of Venus around the 
sun has a period of about 243 days.