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thousand stages each a hundred million miles wide, and you reach the nearest fixed stars, for instance, the constellation of the Lyre. Multiply that inconceivable distance by hundreds of thousands, and still you will discern enormous sand banks of stars obscurely glittering on the farthest verge of telescopic vision. And even all this is but a little corner of the whole. Coleridge once said, "To some infinitely superior Being, the whole universe may be as one plain, the distance between planet and planet being only as the pores in a grain of sand, and the spaces between system and system no greater than the intervals between one grain and the grain adjacent." One of the vastest thoughts yet conceived by any mortal mind is that of turning the universe from a mechanical to a chemical problem, as illustrated by Prof. Lovering.29 Assuming the acknowledged truths in physics, that the ultimate particles of matter never actually touch each other, and that water in evaporating expands into eighteen hundred times its previous volume, he demonstrates that the porosity of our solar system is no greater than that of steam. "The porosity of granite or gold may be equal to that of steam, 29 Cambridge Miscellany, 1842. the greater density being a stronger energy in the central forces." And the conclusion is scientifically reached that "the vast interval between the sun and Herschel is an enormous pore, while the invisible distance that separates the most closely nestled atoms is a planetary space, a stupendous gulf when compared with the little spheres between which it flows." Thus we may think of the entire universe as a living organism, like a ripening orange, its component atoms worlds, the sidereal movements its vital circulation. Surely, when a man looks up from his familiar fields and household roof to such incommensurable objects as scientific imagination reveals in the sparkling sword handle of Perseus and the hazy girdle of Andromeda, overpowering humility will fill his breast, an unutterable solemnity will "fall on him as from the very presence chamber of the Highest." And will he not, when he contemplates the dust like shoals of stars, the shining films of firmaments, that retreat and hover through all the boundless heights, the Nubecula nebula, looking like a bunch of ribbons disposed in a true love's knot, that most awful nebula whirled into the shape and bearing the name of the Dumb Bell, the Crab nebula,
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