Bibliotheca Indica, Parts 1-3Asiatic Society., 1861 |
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Common terms and phrases
2nd equation additive months AHARGANA AKSHA apsis argument of latitude Aries Armillary sphere ascensional difference astronomers ASURAS BHAGOLA BHUJA called centre Chapter circumference cosine degrees diameter digits disc diurnal circle diurnal motion divide the product DRIKKARMA Earth eastern horizon ecliptic elapsed epicycle equal equinoctial shadow excentric GHATIKÁS GHATIS given place Gnomon heliacal rising heliacally Hence higher apsis horoscope hypothenuse KALPA KENDRA KOȚI KUJYA LAGNA latitude longitude lunar days lunar eclipse lunar month mean place meridian MERU minutes Moon's multiplied NAKSHATRA node nonagesimal north and south north or south orbit PALABHA parallax planet pole prime vertical question quotient radius rectified remainder revolutions revolve rising periods S'ANKU S'ÍGHROCHCHA S'LOKA sidereal signs sine of amplitude sine of declination solar sphere star STHITYARDHA subtractive days Sun and Moon sun-rise Sun's terrestrial days TITHI triangle true place VALANA versed sine YOJANAS YUGA zenith distance
Popular passages
Page 135 - As the conjugate diameter is to the transverse, so is the square root of the difference of the squares of the...
Page 177 - ... another observer on the surface of the earth will not, at the same time, find him to be so obscured, as the moon will appear to him to be depressed from the line of vision extending from his eye to the sun. Hence arises the necessity for the correction of parallax in celestial longitude and parallax in latitude in solar eclipses, in consequence of the difference of the distance of the sun and the moon. When the sun and the moon are in opposition, the earth's shadow envelopes the moon in darkness...
Page 177 - ... is not eclipsed. At the change of the moon, it often happens that an observer, placed at the centre of the earth, would find the sun, when far from the zenith, obscured by the intervening body of the moon; whilst another observer on the surface of the earth will not, at the same time, find him to be so obscured, as the moon will appear to him to be depressed from the line of vision extending from his eye to the sun. Hence arises the necessity for the correction of parallax in celestial longitude...
Page 176 - ... disc is first obscured, and that the eastern side is the last part relieved from the moon's dark body ; and to some places the sun is eclipsed, and to other places he is not eclipsed. At the change of the moon it often happens that an observer placed at the centre of the earth, would find the sun, when far from the zenith, obscured by the intervening body of the moon ; while another observer on the surface of the earth will not, at the same time...
Page 251 - FIG. 24 or (a) where the positive or negative sign is to be taken according as the polygon has been described in the positive or negative direction.
Page 112 - ... water, space, and fire, is of a spherical shape, and being surrounded by planets, such as the Moon, Mercury, Venus, the Sun, Mars, Jupiter, and Saturn, and by the orbits of stars« stands firm in the midst of space by its own power, without any other aid. This, he says, is a well-ascertained fact. Like the pollen in the Kadamba flower, on its surface are countries, mountains, gardens, and buildings, where Räksasas, men, Devas.
Page 206 - ... Mercury be utilized to determine the distance of the sun, like the transits of Venus? 56. What would be the length of the month if the moon were four times as far away as now ? (Apply Kepler's third law.) 57. What is the mass of a planet which has a satellite revolving in one-fifth of a lunar month, at a distance equal to that of the moon from the earth ? (See Art. 309.) 58. What is the distance from the sun of an asteroid which has a period of eight years ? 59. How much would the mass of the...
Page 119 - ... an efficacy that if her name be listened to, if she be sought to be seen, if seen, touched or bathed in, if her waters be tasted, if her name be uttered, or brought to mind, and her virtues be celebrated, she purifies in many ways thousands of sinful men [from their sins] . 40. And if a man make...
Page 4 - ... are unequal to each other, ,in consequence of the circumferences of their orbits ; and by this unequal motion, they pass the signs...
Page 136 - The first two figures are based on the fact that the side of a regular hexagon is equal to the radius of the circumscribed circle.