The principles of light and color: including among other things the harmonic laws of the universe, the etherio-atomic philosophy of force, chromo chemistry, chromo therapeutics, and the general philosophy of the fine forces, together with numerous discoveries and practical applications .. . 3 was at one time expanded so that it:; tailreached 200,000000 miles into space. Comets move with theirnucleus toward the sun and their tails in the opposite cause of this is that the nucleus being more dense becomesfirst heated, then as thermo-electricity always moves from awarm to a colder r
The principles of light and color: including among other things the harmonic laws of the universe, the etherio-atomic philosophy of force, chromo chemistry, chromo therapeutics, and the general philosophy of the fine forces, together with numerous discoveries and practical applications .. . 3 was at one time expanded so that it:; tailreached 200,000000 miles into space. Comets move with theirnucleus toward the sun and their tails in the opposite cause of this is that the nucleus being more dense becomesfirst heated, then as thermo-electricity always moves from awarm to a colder region, it must pass from the nucleus towardthe colder realms of space, which must necessarily polarize themass of the comet in a direction opposite to that of the enumerates 700 comets, and Arago thinks there asmany as 7,000,000 in the solar system. Their orbits arc exceed-ingly elliptical, and in every conceivable direction, so chat theirsubstance could not have come from the sun as did the comet that appeared in July, 1844, requires more than 100-000 years to make its journey around the sun, while some cometsmoving in the curve of an hyperbola must go off into castantstarn svstems n?ver to return. But even these seemingly law- 172 THE SOURCES OF Fig. 151. Halleys Comet. less comets are subject to law and are alwaysdoing obeisance to some sun around whichthey revolve, or responding to some planetor nebula which they may approach, ever giv-ing and ever receiving from all comet of 1680 (fig. 150), beautiful in itsgradations and contrasts, having a center ofunity at its head which widens into an ex-quisite diversity, is not to visit us again beforethe year 2485, accordingto Encke. Fig. 151is only one of the various forms which Hal-leys Comet exhibited to us. Its next ap-pearance will be in 1911. VII. Refinement of Matter. We have already seen that everything is on an ascendingscale, from the crude, eruptive and fiery conditions of
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