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 26
of the stars by magnitudes are that made by the Royal Observatory at Pots-dam, Germany, and that made by the Observatory of Harvard University, U. S. A. A list of the 70 brighteststars is printed on p. 140, showing their relative magnitudes. Zbe Stellar Morlb n that have descended to us from the… … SPIRAL NEBULA, KNOWN AS MESSIER 51 From a photograph taken at the Ycrkes Observatory In one respect, however, a change has already come. The ancient world saw in thesegroups of stars the figures of birds or animals or m^^thological heroes. These fanciesserved, for many centuries, a useful purpose.…
Astronomy
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
