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Based on the Random House Dictionary, © Random House, Inc. 2012.
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Based on the Random House Dictionary, © Random House, Inc. 2012.
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Link To Olbers' paradox
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Olbers' paradox
is always a great word to know.
So is pulsar. Does it mean:
| any of the small bodies, often remnants of comets, traveling through space: when such a body enters the earth's atmosphere it is heated to luminosity and becomes a meteor |
| one of several hundred known celestial objects, generally believed to be rapidly rotating neutron stars, that emit pulses of radiation such as radio waves with a high degree of regularity |
Etymonline
Word Origin & History
Olbers' paradox
"if stars are uniformly distributed through the sky, their number should counterbalance their faintness and the night sky should be as bright as the day;" named for Ger. astronomer H.W.M. Olbers (1758-1840), who propounded it in 1826.
Online Etymology Dictionary, © 2010 Douglas Harper
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