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LC Classification is
Science -- Astronomy -- Descriptive astronomy -- Solar system -- Planets. Planetology -- Earth as a planet. Astronomical geography -- Seasons
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My NASA Data Lesson Plan: Seasons and Cloud Cover: Are They Related?
This lesson plan uses NASA satellite data to correlate cloud cover over Africa to the solar declination. The four seasons on Earth have a scientific basis. The earth is tilted 23.5 degrees from vertical. This tilt and...
This collection of animations introduces students to planetary motions, gravitational effects, and the scale of astronomical distances. Students can view visualizations of Earth's changing seasons, circumpolar motion,...
The College of Saint Benedict / Saint John's University: Elements of Astronomy
The College of Saint Benedict/Saint John's University furnish an online version of Chapter II of Simon Newcomb's astronomy book, where he attempts to explain the laws of phenomena of celestial motions to "the inquiring...
Astronomy With A Stick
This site consists of activities to discover why daylight hours vary in length and to understand the relationships between the Sun and the Earth that cause these changes. The activities use indirect observations of the...
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