Page:Mars - Lowell.djvu/26

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planets to obey a common force, the Sun; just as Laplace showed it to be probable that we were all evolved from one and the same primal nebula; so more recently the spectroscope has revealed unsuspected relationship betwixt us and the stars. Matter turns out to be but common property; and the very same substances with which we are so familiar on the Earth, iron, magnesium, sodium, and so forth, prove present on those far-off suns that strew the depths of space. Only in detail does everything differ.

So much for matter. As for that manifestation of it known as mind, modesty, if not intelligence, forbids the thought that we are sole thinkers in all we see. Indeed, we seldom stop in our locally engrossing pursuits to realize how small the part we play in the universal drama. Let us consider for a moment how we should appear, or, more exactly, not appear, could we get off our world and scan it from without. If distance could thus reduce for us the scale upon which the universe is fashioned to one we could take in, that on which the Earth should be represented by a good-sized pea, with a grain of mustard seed, the Moon, circling about it at a distance of seven inches, the Sun would be a globe two feet in diameter, two hundred and fifteen feet away. Mars, a much smaller pea, would circle around the two-foot globe three hundred and twenty-five feet from its surface;