The Planetarium and Astronomical Calculator |
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Page 19
... node of the planet Herschel was in twelve degrees and fifty - three minutes of the sign Gemini , and advances 16 ... Moon , which is a plain proof that he receives , ( like the Moon , ) all his light from the Sun. That he moves ...
... node of the planet Herschel was in twelve degrees and fifty - three minutes of the sign Gemini , and advances 16 ... Moon , which is a plain proof that he receives , ( like the Moon , ) all his light from the Sun. That he moves ...
Page 35
... north node is in the 7th degree of Cancer , and his south node in the 7th degree of Capricorn . His mean apparent diameter as seen from the earth is 39 seconds , and as seen from the Sun , 37 seconds of a degree . This planet being ...
... north node is in the 7th degree of Cancer , and his south node in the 7th degree of Capricorn . His mean apparent diameter as seen from the earth is 39 seconds , and as seen from the Sun , 37 seconds of a degree . This planet being ...
Page 50
... north node ? In what sign his south node ? How many satellites attend this planet ? his apparent diameter as seen from the Sun ? as seen from the Earth ? What is What Of what benefit have those Moons been to the inhab- itants of this ...
... north node ? In what sign his south node ? How many satellites attend this planet ? his apparent diameter as seen from the Sun ? as seen from the Earth ? What is What Of what benefit have those Moons been to the inhab- itants of this ...
Page 110
... Moon's orbit therefore , intersects the ecliptic in two points diametrically opposite to each other , and these intersections are called the Moon's Nodes . The Moon can ... node from which the 110 Sec . 9 Of the Moon's Phases .
... Moon's orbit therefore , intersects the ecliptic in two points diametrically opposite to each other , and these intersections are called the Moon's Nodes . The Moon can ... node from which the 110 Sec . 9 Of the Moon's Phases .
Page 111
Tobias Ostrander. fore the next change . That node from which the Moon begins to ascend northwardly , or above the ... Moon's oblique motion with regard to the eclip- tic , causes some difference in the times of her rising and ...
Tobias Ostrander. fore the next change . That node from which the Moon begins to ascend northwardly , or above the ... Moon's oblique motion with regard to the eclip- tic , causes some difference in the times of her rising and ...
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Common terms and phrases
angle apogee approach of centres Aries ascending node Astronomers attractive power body calculated centrifugal force Comets conjunction consequently descending diameter as seen difference Dionysian Period Dominical letters earth Earth's shadow enter Table equal equator equinox fall fixed stars full Moon Geocentric longitude given Golden Number gravity grees H M. S. half Heavens heliocentric Herschel horary motion horizon Interrogations for Section Jupiter light longitude lunar Lunar Eclipses mean motion mean new Moon Middle apparent millions of miles minutes Moon in March Moon's mean anomaly Moon's node Moon's orbit move nearer north pole Old Style opposite parallax penumbra perigee planet projectile force rays revolves rise round the Sun satellites Saturn seconds semi-diameter signs and degrees Solar System south pole subtract Sun and Moon Sun's distance Sun's mean anomaly Sun's mean distance Sun's true surface syzygy tance telescope Tides tion velocity Venus visible
Popular passages
Page 248 - Aries the Ram, Taurus the Bull, Gemini the Twins, Cancer the Crab, Leo the Lion, Virgo the Virgin, Libra the Balance, Scorpio the Scorpion, Sagittarius the Archer, Capricornus the Goat, Aquarius the Waterbearer, and Pisces the Fishes...
Page 14 - Thousands of thousands of suns, multiplied without end, and ranged all around us, at immense distances from each other, attended by ten thousand times ten thousand worlds, all in rapid motion, yet calm, regular, and harmonious, invariably keeping the paths prescribed them ; and these worlds peopled with myriads of intelligent beings, formed for endless progression in perfection and felicity.
Page 2 - ANSLEY, of the said district, hath deposited in this office the title of a book, the title of which is in the words following, to wit : " Elements of Literature ; or, an Introduction to the Study of Rhetoric and Belles Lettres.
Page 78 - This is the same as saying that when a ray of light passes out of one medium into another, the...
Page 253 - October in 1582, to make the /Equinox fall on the 21st of March, as it did at the time of that council. And, to prevent the like variation for the future, he ordered that three days...
Page 14 - Vast concave ! ample dome ! wast thou design'd A meet apartment for the Deity ? — •Not so; that thought alone thy state impairs, Thy lofty sinks, and shallows thy profound, And straitens thy diffusive ; dwarfs the whole, And makes a universe an orrery.
Page 124 - Differences of local situation cause great differences as to the height to which the tide rises. In the central parts of the ocean the height is comparatively small, seldom exceeding three feet, but in rushing up contracted channels the...
Page 257 - Sun is a revolution of twenty-eight years, in which time the days of the months return again to the same days of the week ; the Sun's place to the same signs and degrees of the ecliptic on the same months and days...
Page 112 - ... because she is always in that sign which is diametrically opposite to the sun at the time of full moon. When the sun is at his greatest depression below the horizon, being then in Capricorn, the moon is at her FIRST QUARTER in Aries : FULL in Cancer ; and at her THIRD QUARTER in Libra : and as the beginning of Aries is the rising point of the ecliptic, Cancer the highest, and Libra the setting point, the moon rises at her FIRST QUARTER in Aries, is most elevated above the horizon, and FULL in...
Page 9 - Huygens carried his thoughts so far, as to believe it not impossible that there may be stars at such inconceivable distances, that their light has not yet reached the earth since its creation ; although the velocity of light be a million of times greater than the velocity of a cannon bullet ; and, as Mr.