Astronomical and geographical essays |
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30 seconds to mars
Crítica de los usuarios - Marcar como inadecuado
Extremely important source book for science history of astronomy fact mongers, like for example Wikipedia editors, science history students, astronomy authors and researches.
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Otras ediciones - Ver todas
ASTRONOMICAL & GEOGRAPHICAL ES George 1750-1795 Adams,William 1763-1831 Jones Sin vista previa disponible - 2016 |
ASTRONOMICAL & GEOGRAPHICAL ES George 1750-1795 Adams,William 1763-1831 Jones Sin vista previa disponible - 2016 |
Términos y frases comunes
according altitude angle appear astronomers axis azimuth beginning body bring broad paper circle called celestial centre circle comes conjunction consequently considered continually course dark declination degrees described diameter difference direct distance divided earth east ecliptic edge elevated equal equator fixed stars give given globe going greater greatest half heavens hemisphere Hence horizon hour inhabitants Jupiter latitude length less light London longitude manner marked mean measured meridian miles minutes month moon motion move natural night nodes noon object observed opposite orbit parallel passes planet plate polar pole position problem quadrant rays reason Rectify represent respect rising round seen shadow shew ship side signs situation solar sometimes space sphere stars strong brass meridian sun's sun's place suppose surface terrestrial tion turn Venus whole zenith
Pasajes populares
Página 74 - Their names are Aries, Taurus, Gemini, Cancer, Leo, Virgo, Libra, Scorpio, Sagittarius, Capricornus, Aquarius, Pisces; the whole occupying a complete circle, or broad belt, in the heavens, called the Zodiac.
Página 228 - If both the places be situated on the same parallel of latitude, their bearing is either east or west from each other ; if the'y be situated on the same meridian, they bear north and south from each other ; if they be situated on the same rhumb-line, that rhumbline is their bearing : if they be not situated on the same rhumb-line, lay the quadrant of altitude over the. two places, and that rhumb-line which is the nearest of...
Página 56 - Our views of Nature, however imperfect, serve to represent to us, in the most sensible manner, that mighty power which prevails throughout, acting with a force and efficacy that appears to suffer no diminution from the greatest distances of space or intervals of time...
Página 201 - To make this circle answer the purpose, a semicircular wire is placed over it, carrying two indices, one on the east, the other on the west side of the strong brass circle.
Página 310 - By subtracting this from twenty-four hours, we have the length of the shortest night. If we bring the first degree of Capricorn to the brass meridian' and proceed in all respects as before, we shall have the length of the longest night and shortest day. Thus, at Delhi, the...
Página 314 - As the terrestrial globe by turning on its axis represents the real diurnal motion of the earth ; so the celestial globe, by turning on its axis, represents the apparent motion of the heavens.
Página 212 - ... than the hour at the given place, turn the globe eastward till the index has passed over as many hours as are equal to the given...
Página 287 - ... equal parts or degrees, as in the figure. Because the hour-lines are less distant from each other about noon, than in any other part of the dial, it is best to have the centres of these quadrants at a little distance from the centre of the dial-plane...
Página 422 - The grand transition, that there lives and works A soul in all things, and that soul is God. The beauties of the wilderness are His, That make so gay the solitary place Where no eye sees them. And the fairer forms That cultivation glories in are His. He sets the bright procession on its way, And marshals all the order of the year ; He marks the bounds which winter may not pass, And blunts his pointed fury ; in its case, Russet and rude...
Página 85 - THE natural advantages which arise from the position of the earth which we inhabit with respect to the other planets, afford much employment to mathematical speculation, by which it has been discovered, that no other conformation of...