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Variable star

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About 18 pages (5,384 words) in 4 products

"Variable star" Search Results
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Encyclopedia and Summary Information
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Variable Stars Summary
454 words, approx. 2 pages
Variable stars are stars that have regular or semi-regular, periodically varying brightnesses, and they have been known since medieval times. One of the most famous is known as Algol, which is Arabic for "Demon Star." Its brightness varies by more than...
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Variable Star
287 words, approx. 1 pages
any star whose observed light varies notably in intensity. The changes in brightness may be periodic, semiregular, or completely irregular. A brief treatment of variable stars follows. For full treatment, &see; star: Variable stars. Variable stars...
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Variable Star
86 words, approx. 1 pages
Star whose observed brightness varies noticeably in intensity. Pulsating variables expand and contract in cycles, pulsating rhythmically in brightness and size. Explosive variables include novas and supernovas, which brighten rapidly due to sudden...
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Variable star Information
4,557 words, approx. 15 pages
Variable Star is a 2006 novel written by Spider Robinson based on the surviving seven pages of an eight page 1955 novel outline by the late Robert A. Heinlein. It describes the coming of age of a young musician who signs on to the crew of a starship as...


News and Journals
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Discover
Vanishing stars. (variable stars)(Night Watchman)(Column)
10/01/1995: 644 words, approx. 2 pages
October is a good time to observe variable stars, which change their brightness by orders of magnitude sometimes as often as every few days. Members of the American Assn of Variable Star Observers tracks their periods. The stars Algol, Chi Cygni, Delta Cephei and...
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Science News
A massive star lights its surroundings. (Milky Way star AG Carinae is in luminous blue variable) (Brief Article)
06/18/1994: 306 words, approx. 1 pages
Shedding mass at a furious rate and shining 1.5 million times more brightly than the sun, the aging Milky Way star AG Carinae is having a final fling. Classified in this phase as a luminous blue variable, AG Carinae is some 50 times...
 


 

Variable star

Print-Friendly
About 18 pages (5,384 words) in 4 products


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