|Searched for: LC Classification is Science -- Astronomy -- Descriptive astronomy -- Solar system -- Planets. Planetology -- Earth as a planet. Astronomical geography
|Results 1 - 5 of 31
The development of our solar system can be viewed as a continuous and complicated process that started about 4.6 billion years ago. As scientists continue to study the solar system, and Earth in particular, their...
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,...
This web page, created by David P. Stern, describes observations that show the earth is a sphere and the history of these observations. The round shape of the Earth may be inferred from the existence of a horizon at...
This website, created by J.C. Evans of George Mason University, contains lecture notes that incorporate introductory information on astronomy. Topics that the lecture notes cover include: earth/sky relations,...
The American Geophysical Union (AGU), which was established in 1919 by the National Research Council and for more than 50 years operated as an unincorporated affiliate of the National Academy of Sciences, is now a...
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