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He was a mathematician, astronomer, geographer, astrologer, and poet
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Pytheas is the first person on record to describe the Midnight Sun, polar ice, Germanic and possibly Finnic tribes.
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He was responsible for the early development of European exploration and maritime trade with other continents.
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He was a g, created the light bulb, and made the first bong
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Maury devoted his time to the study of navigation, meteorology, winds, and currents
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learned about the oceans physical and chemical characteristics, also discovered 4000 unknown species.
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is a spherical deep-sea submersible which is unpowered and is lowered into the ocean on a cable.. By Otis Barton
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Sonar may be used as a means of acoustic location and of measurement of the echo characteristics of "targets" in the water
