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Updated: May 24, 2025
Upon my word, as I looked at that forehead of yours, I credited you with the omnipotence of the great mind the power of seeing both sides of everything. In literature, my boy, every idea is reversible, and no man can take upon himself to decide which is the right or wrong side. Everything is bi-lateral in the domain of thought. Ideas are binary.
Take then sound from moving bodies, motion from solids, profundity from superficies, magnitude from quantity, we then reach pure intelligible ideas, which have no difference among themselves as regards the one single intelligible essence. For unity makes no number unless joined by the infinite binary; then it makes a number.
In 1844, in a letter to Sir John Herschel, he attributed these irregularities in each case to the attraction of an invisible companion, the period of revolution of Sirius being about half a century. Later he said: "I adhere to the conviction that Procyon and Sirius form real binary systems, consisting of a visible and an invisible star.
Its magnitudes are six and a half and eight, distance 0.7", p. 300°. It is probably a binary. Sigma 2289 is also close, but our five-inch will separate it: magnitudes six and seven, distance 1.2", p. 230°. Turning to , we have to deal with a triple, one of whose stars is at present beyond the reach of our instruments. The distance is still much less than 1".
Often three or four stars are found thus closely connected into gravitation systems; indeed, there are all gradations between binary systems and great clusters containing hundreds or even thousands of members.
He even assigned to each an approximate period of half a century. "I adhere to the conviction," he wrote later to Humboldt, "that Procyon and Sirius form real binary systems, consisting of a visible and an invisible star. There is no reason to suppose luminosity an essential quality of cosmical bodies. The visibility of countless stars is no argument against the invisibility of countless others."
We can not hope with any of our instruments to see all of the three stars contained in , but two of them are easily seen; magnitudes four and seven, distance 108", p. 172°. The smaller star is again double; magnitudes seven and eight, distance 0.77", p. 88°. It is clearly a binary, with a long period. A six-inch telescope that could separate this star at present would be indeed a treasure.
Not very long ago, as time is reckoned in astronomy, our sun, viewed from the distance of the nearer fixed stars, may have appeared as a binary star, the brighter component of the pair being the sun itself and the fainter one the body now called the planet Jupiter.
In short, the bacteria after two centuries of study appear to us about as they did at first. They must still be described as minute spheres, rods, or spirals, with no further discernible structure, sometimes motile and sometimes stationary, sometimes producing spores and sometimes not, and multiplying universally by binary fission.
There was the same sickening sensation when they dropped lower than the speed of light. And, braking all the while, they zoomed swiftly down upon the binary suns and their seven worlds. Odin had been watching the screens for three hours. He felt sick and old over the things that he had seen. Seven worlds all blackened and burned out.
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