विशेष चाल (Hindi Wikipedia)

Analysis of information sources in references of the Wikipedia article "विशेष चाल" in Hindi language version.

refsWebsite

Global rank Hindi rank

1books.google.com

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2^nd place

books.google.com

The Amateur Astronomer's Introduction to the Celestial Sphere, William Millar, pp. 35, Cambridge University Press, 2006, ISBN 978-0-521-67123-1, ... Proper motion is the movement of the stars across the celestial sphere due to their spatial motion relative to our sun ...