 | Thomas Turner Tate - 1855 - 442 pàgines
...opposition or conjunction. In the course of a year there may be seven eclipses of the sun and moon, five of the sun and two of the moon, or four of the sun and three of the moon. Lunar and Solar eclipses differ very much from each other in certain respects : a lunar eclipse may... | |
 | Henry Kiddle - 1868 - 300 pàgines
...frequent than those of the moon. 187. The greatest number of eclipses that can happen in a year is seven; five of the sun and two of the moon, or four of the sun and three of the moon. The least number is two, both of which must be of the sun. a. The usual number is four, and it is rare... | |
 | Arthur Searle - 1874 - 492 pàgines
...while there may be no eclipses of the Moon in the course of a year, and cannot be more than three. Seven eclipses, five of the Sun and two of the Moon, or four of the Sun and three of the Moon, are as many as can happen in the course of a year. But we see more eclipses of the Moon than of the... | |
 | Henry Kiddle - 1877 - 296 pàgines
...frequent than those of the moon. 187. The greatest number of eclipses that can happen in a year is seven ; five of the sun and two of the moon, or four of the sun and three of the moon. The least number is two, both of which must be of the sun. a. The usual number is four, and it is rare... | |
 | Joseph Anthony Gillet - 1882 - 496 pàgines
...eclipses that can occur in a year is seven, and the least number, two. In the former case, five may be of the sun and two of the moon, or four of the sun and three of the moon. In the latter case, both must be of the sun. VI. THE THREE GROUPS OF PLANETS. I. GENERAL CHARACTERISTICS OF... | |
 | George W. Parker - 1902 - 270 pàgines
...lunar, will have to be omitted. Hence the greatest possible number of eclipses in a year is seven, five of the sun and two of the moon, or four of the sun and three of the moon. In every 18 years there are generally 41 eclipses of the sun to 29 of the moon. Chaldean Saros. 150. The... | |
 | Edmund Whitman Putnam - 1914 - 274 pàgines
...reason that the plane of the Earth's orbit is call the ecliptic. In one year there may be as many as seven eclipses, five of the Sun and two of the Moon, or four of the Sun and three of the Moon; or as few as two eclipses but never less. When there are but two eclipses these both must be of the... | |
 | University of Calcutta - 1916 - 802 pàgines
...the usual significance. 1 1. Prove that the greatest possible number of eclipses in a year is seven, five of the sun and two of the moon, or four of the sun and three of the moon. What is the Chaldean Saros ? 12. What are binary stars ? What is a spectroscope binary ? Show how to... | |
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The greatest number of eclipses that can happen in a year is seven; five of the sun and two of the moon, or four of the sun and three of the moon. 