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Consider a person in the United States who sees the first-quarter phase of the Moon.
(a) Which side of the Moon is illuminated, east or west?
(b) What phase does an observer in Australia see at the same time, and which side is bright?
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The first modern Olympics of 1896 had a marathon distance of 40 km. In 1908, for the Olympic marathon in London, the length was set at 42.195 km to provide the Royal Family with a better view of the race. Other distances ...
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