Word: cluster
(lookup in dictionary)
(lookup stats)
Dates: all
Sort By: most recent first
(reverse)
Harvard astronomers have discovered a gigantic cluster of stars in the southern sky, which apparently belongs to no known class of cosmic systems, and which may thus reveal the existence of an entirely new group of star systems in the universe, it was reported today in the Harvard Observatory Bulletin by Harlow Shapley, director of the observatory...
From their star-counts, involving an extremely difficult enumeration of a mass of tiny specks on a photographic place, the Harvard astronomers estimate that there are about 10,000 objects in the cluster between the brightest stars, about 18th magnitude, and the dimmest that have yet been counted, about 19.5 magnitude. How many stars there are fainter than this has not yet been estimated...
...conjectures advanced as to the probable nature of the cluster, Shapley said the evidence so far favors the assumption that the stars may have an absolute magnitude of -1.5, comparable to that of the brightest stars in the globular star clusters. If that is the case, it can be definitely established only when variable stars have been found in the group, then the cluster would be about 250,000 light years from the earth, and would measure about 6,500 light years in diameter...
Some hundreds or thousands of years before Christopher Columbus, a huge cluster of metallic meteorites-or a small comet-400 or 500 ft. in diameter and weighing millions of tons, entered the Earth's atmosphere over northeastern Canada, plunged southward in a flaming, thundering arc over the Dakotas and Colorado, no doubt scaring thousands of savages almost out of their wits. Coming to Earth in northern Arizona, the monstrous cluster plunged into the desert, converted underground water into steam, hurled huge gobs of earth and stone skyward to fall back into the crater. The main body of the meteorite...
...familiar wrinkled folds which look like sweetbreads, is the seat of reason and intellection. It is also the seat of emotional consciousness. But consciousness is not a process; it is an end-product. The mechanisms which produce emotional consciousness appear to be situated in the diencephalon, a central cluster of organs which is enfolded by the cerebral hemispheres...