For millennia, humanity has observed the changing phases of the Moon. The rise and fall of sunlight reflected off the Moon, as it presents its different faces to us, is known as a "phase curve".
A new introductory textbook called Astronomy has just been published by OpenStax, a national, non-profit project to develop high-quality, introductory textbooks that are free to students. The ...
CHAMPAIGN, Ill. — Around 1800, an English schoolmistress named Margaret Bryan wrote several well-regarded textbooks on astronomy and physics for young women. While Bryan corresponded with some of the ...
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