References in classic literature ?
A loud uproar broke forth when it alighted, just without the center and grazing the shaft sent by Rob.
Centrifugal force hurled the particles of the nebulous center toward the crust as rapidly as they approached a solid state.
We were placed in the center of the amphitheater--the thousand creatures forming a great ring about us.
Several miles north of the village on a little rise of ground close to the river where the jungle, halting at the base of a knoll, had left a few acres of grassy land sparsely wooded, a man and a girl were busily engaged in constructing a small boma, in the center of which a thatched hut already had been erected.
By this time other apes had entered the clearing and they were now the center of a considerable group, among which were several bulls, some young shes, and some older ones with their little balus clinging to their backs or frolicking around at their feet.
Upon my back were slung my bow, arrows, shield, and short spear; from the center of my girdle depended my knife; at my right hip was my stone hatchet; and at my left hung the coils of my long rope.
Cautiously he approached until there suddenly burst upon his view a rude BOMA, in the center of which, squatted about their tiny fires, sat his fifty black Waziri.
In the center of this natural amphitheater, was a little flat-topped mound of hard earth.
Among these 5,000 nebulae there is one which has received the name of the Milky Way, and which contains eighteen millions of stars, each of which has become the center of a solar world.
This motion, faithful to the laws of mechanics, would have been accelerated with the diminution of its volume; and a moment would have arrived when the centrifugal force would have overpowered the centripetal, which causes the molecules all to tend toward the center.
A straight line drawn through the axis of the piece would have passed through the center of the orb of night.
One of the greatest gifts of Christianity, it should be observed, and one of the most important influences in medieval civilization, was the network of monasteries which were now gradually established and became centers of active hospitality and the chief homes of such learning as was possible to the time.

Full browser ?