Popular cyclopaedia of natural science (by W.B. Carpenter). |
Términos y frases comunes
aberration of light amount appear ascertained astronomers attraction axis balance balance-spring binary stars brilliant carries round centre centre-wheel chronometer circle clock clusters comet consequently constellation Copernicus corresponding degree diameter direction disc double stars earth eclipses equal equator escapement exactly fixed stars globe greater heavenly bodies heavens height Hence Herschel horizon illuminated inferior planets interval Jupiter laws length less lever light longitude luminous MARINE CHRONOMETERS Mars mass matter mean distance Mercury meridian millions of miles minutes moon moon's motion move movement nearly nebulous observation pallet parallax pass pendulum perihelion period pinion planets poles portion position present probably produce proportion ratchet-wheel regard revolution round revolve ring rotation round the earth round the sun satellites Saturn scape-wheel seen shown side sidereal solar sphere spot spring striking sun's suppose telescope tion tooth turned Tycho Brahe Uranus Venus vibration visible watch wheel whilst whole
Pasajes populares
Página 566 - Thou art, of what sort the eternal life of the saints was to be, which eye hath not seen, nor ear heard, nor hath it entered into the heart of man to conceive.
Página 445 - The ram, the bull, the heavenly twins, And next the crab the lion shines, The virgin and the scales, The scorpion, archer, and sea-goat, The man that holds the watering-pot, And fish with glittering tails.
Página 463 - ... the squares of the times of revolution of the planets about the sun are proportional to the cubes of their mean distances from the sun.
Página 445 - 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...
Página 567 - Open your lips, ye wonderful and fair ! Speak, speak ! the mysteries of those living worlds Unfold ! — No language ? Everlasting light, And everlasting silence ? — Yet the eye May read and understand. The hand of God Has written legibly what man may know, THE GLORY OF THE MAKER.
Página 367 - ... senses. Thus, the earth on which he stands, and which has served for ages as the unshaken foundation of the firmest structures, either of art or nature, is divested by the astronomer of its attribute of fixity, and conceived by him as turning swiftly on its centre, and at the same time moving onwards through space with great rapidity.
Página 527 - It will then be evident that the most unsubstantial clouds which float in the highest regions Of our atmosphere, and seem at sunset to be drenched in light, and to glow throughout their whole depth as if in actual ignition, without any shadow or dark side, must be looked upon as dense and massive bodies compared with the filmy and all but spiritual texture of a comet.
Página 507 - On the other hand, in the regions beneath the dark side, a solar eclipse of fifteen years in duration, under their shadow, must afford (to our ideas) an inhospitable asylum to animated beings, ill compensated by the faint light of the satellites. But we shall do wrong to judge of the fitness or unfitness of their condition from what we see around us, when, perhaps, the very combinations which convey to our minds only images of horror, may be in reality theatres of the most striking and glorious displays...
Página 431 - ... a red and a green, or a yellow and a blue one — must afford a planet circulating about either; and what charming contrasts and "grateful vicissitudes," — a red and a green day, for instance, alternating with a white one and with darkness, — might arise from the presence or absence of one or other, or both, above the horizon. Insulated stars of a red colour, almost as deep as that of blood, occur in many parts of the heavens, but no green or blue star (of any decided hue) has, we believe,...
Página 495 - Asteroids, were first discovered, it was conjectured that they were the fragments of some greater planet, which formerly revolved in the orbit where it was expected, and which was blown to pieces by some internal explosive force, or shattered by collision with a comet. " This," says Sir J. Herschel, " may serve as a specimen of the dreams in which astronomers, like other speculators, occasionally and harmlessly indulge.