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Dive into the dynamics of Earth's motions through a series of captivating images, comparing sunlight intensity and seasons between different latitudes. Uncover the factors influencing the varying durations of insolation and angle of solar radiation. Discover why December, January, and February are the coldest months in the Northern Hemisphere and explore the concepts of day-night separation and seasonal transitions. Interact with visual aids and insightful explanations to deepen your knowledge of Earth's celestial movements.
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Do Now: Earth Motions Day 1 is on my webpage: picture from USNO of sunlight on earth for Dec. 21, 2013
Day 2: How would your day, in New York, compare with someone’s at the Equator in the following image? Use terms; “intensity of sunlight”, “duration of insolation” and “ angle of insolation.” jean mcmahon 2014 using 'paint'
Day 3: Identify three things in this image that help indicate why December, January and February are coldest months for the Northern Hemisphere. jean mcmahon 2014 using paint
Day 4: What is the line that separates day and night called? And, for this image, is this line on sunrise or on sunset? How do you know? jean mcmahon 2014 using paint
Day 5: Which of these images indicates March 21? What season begins for New York on that date? What latitude on earth has the greatest ‘intensity of insolation’ on that date? http://starchild.gsfc.nasa.gov/docs/StarChild/solar_system_level2/javascript/song.html