Guy's Elements of astronomy : and an abridgment of Keith's New treastise on the use of the globes (1864)
Guy, Joseph, 1784-1867, Keith, Thomas, 1759-1824. A new treatise on the use of the globes · Philadelphia, C. Desilver · leaf 138
continue, while passing through thenorthern signs, above the horizon ; and the summerfull mooji being as low in the ecliptic as the winter sun,can no more rise, when passing through the southernsigns, than he does. CHAPTER XXXIV. OF LEAP-YEAR. The time our earth takes to make one complete… … LEAP-YE AK. 93 t Tlie ancient Heorew monuio jonsisled of 30 days each, except thelast, which contained 35. Thus the year contained 3l5 daws. An in-tercakry month at the end of 120 years supphed the ditlereiu e. The Athenian months consisted of 30 and 29 days alteriiaiely, ao-cording to the…
Astronomy
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