motion depends on declination. the sky at the north pole at the north pole, the north celestial pole...
Post on 20-Dec-2015
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The Sky at the North Pole
• At the North Pole, the North Celestial Pole is at the zenith
• Stars never rise or set• Planets, Moon, and
Sun do rise and set…Why?
The Arctic and Tropical Regions
• How are the arctic and tropical regions defined?
• Can you answer this without looking at your books?
• Have you ever been to these regions?
Tropical Heat
• In the Tropics, Sun is always close to zenith
• In the Tropics, the sun reaches the Zenith at some point in the year
• Lots of heating due to sunlight