Definition of Variable star. Meaning of Variable star. Synonyms of Variable star

Here you will find one or more explanations in English for the word Variable star. Also in the bottom left of the page several parts of wikipedia pages related to the word Variable star and, of course, Variable star synonyms and on the right images related to the word Variable star.

Definition of Variable star

Variable star
Blazing star, Double star, Multiple star, Shooting star, etc. See under Blazing, Double, etc. Nebulous star (Astron.), a small well-defined circular nebula, having a bright nucleus at its center like a star. Star anise (Bot.), any plant of the genus Illicium; -- so called from its star-shaped capsules. Star apple (Bot.), a tropical American tree (Chrysophyllum Cainito), having a milky juice and oblong leaves with a silky-golden pubescence beneath. It bears an applelike fruit, the carpels of which present a starlike figure when cut across. The name is extended to the whole genus of about sixty species, and the natural order (Sapotace[ae]) to which it belongs is called the Star-apple family. Star conner, one who cons, or studies, the stars; an astronomer or an astrologer. --Gascoigne. Star coral (Zo["o]l.), any one of numerous species of stony corals belonging to Astr[ae]a, Orbicella, and allied genera, in which the calicles are round or polygonal and contain conspicuous radiating septa. Star cucumber. (Bot.) See under Cucumber. Star flower. (Bot.) (a) A plant of the genus Ornithogalum; star-of-Bethlehem. (b) See Starwort (b) . (c) An American plant of the genus Trientalis (Trientalis Americana). --Gray. Star fort (Fort.), a fort surrounded on the exterior with projecting angles; -- whence the name. Star gauge (Ordnance), a long rod, with adjustable points projecting radially at its end, for measuring the size of different parts of the bore of a gun. Star grass. (Bot.) (a) A small grasslike plant (Hypoxis erecta) having star-shaped yellow flowers. (b) The colicroot. See Colicroot. Star hyacinth (Bot.), a bulbous plant of the genus Scilla (S. autumnalis); -- called also star-headed hyacinth. Star jelly (Bot.), any one of several gelatinous plants (Nostoc commune, N. edule, etc.). See Nostoc. Star lizard. (Zo["o]l.) Same as Stellion. Star-of-Bethlehem (Bot.), a bulbous liliaceous plant (Ornithogalum umbellatum) having a small white starlike flower. Star-of-the-earth (Bot.), a plant of the genus Plantago (P. coronopus), growing upon the seashore. Star polygon (Geom.), a polygon whose sides cut each other so as to form a star-shaped figure. Stars and Stripes, a popular name for the flag of the United States, which consists of thirteen horizontal stripes, alternately red and white, and a union having, in a blue field, white stars to represent the several States, one for each. With the old flag, the true American flag, the Eagle, and the Stars and Stripes, waving over the chamber in which we sit. --D. Webster. Star showers. See Shooting star, under Shooting. Star thistle (Bot.), an annual composite plant (Centaurea solstitialis) having the involucre armed with radiating spines. Star wheel (Mach.), a star-shaped disk, used as a kind of ratchet wheel, in repeating watches and the feed motions of some machines. Star worm (Zo["o]l.), a gephyrean. Temporary star (Astron.), a star which appears suddenly, shines for a period, and then nearly or quite disappears. These stars are supposed by some astronometers to be variable stars of long and undetermined periods. Variable star (Astron.), a star whose brilliancy varies periodically, generally with regularity, but sometimes irregularly; -- called periodical star when its changes occur at fixed periods. Water star grass (Bot.), an aquatic plant (Schollera graminea) with small yellow starlike blossoms.

Meaning of Variable star from wikipedia

- A variable star is a star whose brightness as seen from Earth (its apparent magnitude) fluctuates. This variation may be caused by a change in emitted...
- Cataclysmic variable stars (CV) are stars which irregularly increase in brightness by a large factor, then drop back down to a quiescent state. They were...
- In astronomy, a variable star designation is a unique identifier given to variable stars. It uses a variation on the Bayer designation format, with an...
- For the astronomical object, see Variable star. Variable Star is a 2006 science fiction novel by American author Spider Robinson, based on the surviving...
- used in many sciences Variable (research), a logical set of attributes Variable star, a type of astronomical star "The Variable", an episode of the television...
- semiregular variable stars Low-dimensional chaos in stellar pulsations Variable star designation ****arkin, B. V. (2016). "27. Commission des Etoiles Variables"....
- A Cepheid variable (/ˈsɛfiːɪd, ˈsiːfiːɪd/) is a type of star that pulsates radially, varying in both diameter and temperature and producing changes in...
- binary, with the optical counterpart being a variable star. Sirius is another binary and the brightest star in the night time sky, with a visual apparent...
- of variable stars that are less than about ten million years old. This cl**** is named after the prototype, T Tauri, a young star in the Taurus star-forming...
- discovered to be variable, for example δ Sct variables named after the star δ Sct. The first luminous blue variable to be identified as a variable star was P Cygni...
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