Earth's shadow (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Earth's shadow" in English language version.

refsWebsite

Global rank English rank

low place

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4,385^th place

3^rd place

atoptics.co.uk

David K. Lynch, William Charles Livingston (2001). Color and light in nature (2nd ed.). Cambridge University Press. pp. 38, 39. ISBN 978-0521775045.

Pogge, Richard. "Lecture 9: Eclipses of the Sun & Moon". Astronomy 161: An Introduction to Solar System Astronomy. Ohio State University. Retrieved July 16, 2015.