Giberne, Agnes, 1845- [from old catalog] · Cincinnati, National book company · leaf 196
possessed nomoons. Two very small ones have, however, been MERCURY, VENUS, AND MARS. 19I lately found circling round him.* They have beennamed Deimos and Phobos, after the sons of Marsin Greek mythology. Deimos travels round Mars inthirty-nine hours, while Phobos performs the samejourney in the… … MARS AND THE PATH OF ITS SATEUJTES. Mars revolves round its planet. This revolution isperformed in seven hours, thirty-nine minutes, fifteenseconds, although the world of Mars rotates on itselfin twenty-four hours, thirty-seven minutes—that is to * The discovery of the two moons is due to the…
Astronomy
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