A beginner's star-book; an easy guide to the stars and to the astronomical uses of the opera-glass, the field-glass and the telescope (1912)
Murphy, Edgar Gardner, 1869-1913 · New York, London, G.P. Putnam's Sons · leaf 24
to an observer with special gifts of mind or training. But this is by no means the case. If the stars greatly changed their position from night to night, confusion would be inevitable. But, though making their apparent revolution once each 24 hours, their places in relation to each other have been… … SPIRAL NEBULA, KNOWN AS MESSIER 51 From a photograph taken at the Yerkes Observatory In one respect, however, a change has already come. The ancient world saw in these groups of stars the figures of birds or animals or mythological heroes. These fancies served, for many centuries, a useful purpose.…
Astronomy
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