Assign1Answers - 23.5 o N(Tropic of Cancer At this time the...

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There are four “reasons for the seasons.” Rotation refers to the fact that the Earth makes a complete spin on its axis every 24 hours. The Earth makes a complete orbit around the sun every 365.25 days. This is termed Revolution . The Earth is tilted on its axis at an angle of 23.5 o . As the Earth orbits around the sun, it maintains its tilt and orientation. The North Pole is always facing the North Star (Polaris). This is referred to as axial parallelism . On the Northern Hemisphere’s summer solstice, the sun is directly overhead at
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Unformatted text preview: 23.5 o N (Tropic of Cancer). At this time, the North Pole is facing the sun and receives 24 hours of daylight. On the autumnal equinox, which occurs around September 21/22 , all locations on Earth experience a 12-hour day. On this day (autumnal equinox), the subsolar point is at the Equator . On the Northern Hemisphere’s winter solstice, the South Pole is facing the sun and receives 24 hours of daylight. In Louisville, the shortest day of the year is December 21/22 ....
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