Martin, Martha Evans, d. 1925 · New York and London, Harper & Brothers · leaf 186
ed to make any material differencein the brilliancy of the planet. It is notapparent without the aid of a telescope. From Mars the earth shows aU the phases that Venus shows to us. When Mars is flaming down upon us in his position of greatest brilliancy we present to him a thin i68 MARS crescent.…
Planets
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