The Tides and Kindred Phenomena in the Solar System: The Substance of Lectures Delivered in 1897 at the Lowell Institute, Boston, MassachusettsHoughton, Mifflin, 1898 - 378 pages |
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Common terms and phrases
12 hours actual Aden astronomical attraction axis bodies calculation centimetres centrifugal force Chapter circle coast consider crank crests deflection density depth direction distance diurnal inequality earth's rotation Édouard Roche effect equal equator equatorial canal equilibrium theory exactly fact feet free period free wave G. H. Darwin gravity harmonic analysis height Hence high water horizontal ideal satellites inches intervals lake Laplace latitude length less liquid Lord Kelvin low water lunar tide mass minutes month moon moon's passage motion move nearly nebula Nebular Hypothesis nutation obliquity observation ocean orbit oscillation partial tides pendulum planet Posidonius present Rambler Island result retardation revolves ring rise and fall Roche's limit round the earth Saturn seiches semidiurnal tide shallower shape shows slope solar tide suppose telescope tidal constants tidal force tidal friction tidal prediction tide curve tide table tide wave tide-generating force tion vertical whilst
Popular passages
Page 297 - For instance, that the earth, by the continual approaches of the sun towards it, must, in course of time, be absorbed, or swallowed up. That the face of the sun, will, by degrees, be encrusted with its own effluvia, and give no more light to the world.
Page 298 - They have likewise discovered two lesser Stars, or Satellites, which revolve about Mars; whereof the innermost is distant from the Center of the primary Planet exactly three of his Diameters and the outermost five; the former revolves in the Space of ten Hours, and the latter in Twenty-one and a Half...
Page 297 - These people are under continual disquietudes, never enjoying a minute's peace of mind; and their disturbances proceed from causes which very little affect the rest of mortals. Their apprehensions arise from several changes they dread in the celestial bodies. For instance, that the earth, by the continual approaches of the sun towards.it, must, in course of time, be absorbed, or swallowed up.
Page 298 - They are so perpetually alarmed with the apprehensions of these, and the like impending dangers, that they can neither sleep quietly in their beds, nor have any relish for the common pleasures or amusements of life.
Page 299 - They have likewise discovered two lesser stars, or satellites, which revolve about Mars, whereof the innermost is distant from the center of the primary planet exactly three of his diameters, and the outermost five; the former revolves in the space of ten hours, and the latter in twenty-one and...
Page 296 - They are very bad reasoners, and vehemently given to opposition, unless when they happen to be of the right opinion, which is seldom their case. Imagination, fancy, and invention, they are wholly strangers to, nor have any words in their language, by which those ideas can be expressed; the whole compass of their thoughts and mind being shut up within the two forementioned sciences.
Page 297 - ... a blazing tail ten hundred thousand and fourteen miles long ; through which if the earth should pass at the distance of one hundred thousand miles from the nucleus or main body of the comet, it must in its passage be set on fire and reduced to ashes. That the sun daily spending its rays without any nutriment to supply them, will at last be wholly consumed and annihilated ; which must be attended with the destruction of this earth, and of all the planète that receive their light from it.
Page 295 - ... eye-glass. Wachenfels stopped his carriage at my door to tell me, when such a fit of wonder seized me at a report which seemed so very absurd, and I was thrown into such agitation at seeing an old dispute between us decided in this way, that between his joy, my colouring, and the laughter of us both, confounded as we were by such a novelty, we were hardly capable, he of speaking, or I of listening...
Page 296 - The knowledge I had in mathematics, gave me great assistance in acquiring their phraseology, which depended much upon that science, and music; and In the latter I was not unskilled. Their ideas are perpetually conversant in lines and figures. If they would, for example, praise the beauty of a woman, or any other animal, they describe it by rhombs, circles, parallelograms, ellipses, and other geometrical terms, or by words of art drawn from music, needless here to repeat.
Page 371 - CONCLUSIONS 367 first case the destruction of the system will be very slow, in the second case it will be more rapid, but there may be a tendency towards an arrangement in narrow rings, which may retard the process.