Elements of astronomy ... with explanatory notes, and questions for examination (1855)
Brocklesby, John, 1811-1889 · New York, Farmer, Brace & co. · leaf 156
atin word gibbus, meaning swelled out. 3. Octant, derived from the Latin word octo, eight; an octant beingdistant from its adjacent quarters, one eight part oi the moons orbit, or 45°. From the First Quarter to the Full? From the Full to the Third Quarter 7 From theThird Quarter to New Moon 1 What… … MOON B PHASES. earth. The circles 1, 2, 8, 4,5, 6, 7 and 8, show the placesof the moon in her orbit; at conjunction (1,) the firstoctant (2,) the first quarter (3,) the second octant (4,) atopposition (5,) the third octant ((>,) the third quarter (7,)and at the fourth octant (8 ;) while the…
Astronomy
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