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Updated: May 19, 2025
In the field of telescopic discovery beyond our solar system there is no one who has enlarged our knowledge so much as Sir William Herschel, to whom we owe the greatest discovery in dynamical astronomy among the stars viz., that the law of gravitation extends to the most distant stars, and that many of them describe elliptic orbits about each other.
However it may have been, the scrupulous observer not daring to extend to telescopic vision what he had discovered relative to vision with the naked eye, he undertook to do away with all doubt, by direct observations.
But he is remembered also for having retarded progress by his influence in refusing to use telescopic sights in his observations, preferring until his death the plain sights long before discarded by most other astronomers. The advantages of these telescope sights have been discussed under the article treating of Robert Hooke, but no such advantages were ever recognized by Hevelius.
"There'll be a guard here while we're gone," continued Max, sternly, "a man who can hit a silver quarter with his rifle as far as he can see it through the telescopic globe sight. It wouldn't be safe for prowlers to show up here. Besides, they could never find the foxes, hidden deep down in their burrows, during the night time. Steve, set him free, please."
Most of the rest of his staff who were not busy on the bomb-project or at the shipyards or with the occupation of Konkrook drifted in; they all sat and stared from one to another of the screens, which told, in radar-patterns and direct vision and telescopic vision and heat and radiation detection, the story of what was going on to the north-east of them.
To the most refined telescopic observations, as well as to the naked eye, the stars seem all alike, except that they differ greatly in brightness, and somewhat in color. But when their light is analyzed by the spectroscope, it is found that scarcely any two are exactly alike.
From his point of view, as, indeed, from that of the public very generally, the question of telescopic vision is merely one of magnifying power. By making an instrument large and powerful enough we may hope even to discover rational beings on other planets. The president of the first board of trustees was Mr. D. O. Mills, the well-known capitalist, who had been president of the Bank of California.
It was in 1610 that he first held in his hands one of those little instruments which had been so recently applied to the heavens by Galileo. It should, however, be borne in mind that the epoch-making achievements of Kepler did not arise from any telescopic observations that he made, or, indeed, that any one else made.
It was, nevertheless, a splendid object in comparison with a telescopic nebulosity discovered by Tempel at Marseilles, December 19, 1865. This, the sole comet of 1866, slipped past perihelion, January 11, without pomp of train or other appendages, and might have seemed hardly worth the trouble of pursuing.
That must have been a signal for a bombardment of the enemy all along this sector, for big and little guns began to thunder and crack. The spectacle before Dorn's hard, keen eyes was one that he thought wonderful. Far across No Man's Land, which sloped somewhat at that point in the plain, he saw movement of troops and guns. His eyes were telescopic.
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