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explained the orbit of the sun, moon and plants called them epicycles.
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Discovered motions of the earth and circumferance.
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Discovered the North Star.
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The compass rose is the first thing made to show direction.
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Explored the african coast and many other places.
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in 1513 ferdinand sailed the globe through s passage way now called the straights of magellan
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Know for saving the health of his crew with lime juice and made a chronometer.
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Discovered the first map of the gold stream.
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US Navy officer who made Naval Charts that helped avoid bad wheather.
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Waves bounce off nearby objects and some of them reflect back to the object that made the noise
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Published natural selection and the origin of the species and investigated nature as a whole leading to big help to biology.
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First large-scale voyage that increased the knowknowledge of the distribution of life in the ocean and of the chemical and physical properties of the ocean.
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a spherical deep-sea submersivle which is unpowered and is lowerd into the ocean on a cable.
