Definition of Variable stars. Meaning of Variable stars. Synonyms of Variable stars
Here you will find one or more explanations in English for the word Variable stars. Also in the bottom left of the page several parts of wikipedia pages related to the word Variable stars and, of course, Variable stars synonyms and on the right images related to the word Variable stars.
Definition of Variable stars
Variable starsVariable Va"ri*a*ble, a. [L. variabilis: cf. F. variable.]
1. Having the capacity of varying or changing; capable of
alternation in any manner; changeable; as, variable winds
or seasons; a variable quantity.
2. Liable to vary; too susceptible of change; mutable;
fickle; unsteady; inconstant; as, the affections of men
are variable; passions are variable.
Lest that thy love prove likewise variable. --Shak.
His heart, I know, how variable and vain! --Milton.
Variable exhaust (Steam Eng.), a blast pipe with an
Variable quantity (Math.), a variable.
Variable stars (Astron.), fixed stars which vary in their
brightness, usually in more or less uniform periods. 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 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;
(b) See Starwort
(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
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
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 stars from wikipedia
- or by something partly blocking
the light, so variable stars
are cl****ified as either: Intrinsic variables
, whose luminosity actually
changes; for example...
in 1908 by Henrietta
Swan Leavitt after studying thousands
of variable stars
in the Magellanic
Clouds. This discovery allows
one to know the true...
- best-known example
of an eclipsing
binary. Play media Eclipsing binaries
are variable stars
, not because
of the individual components
vary but because...
- are over 41,638 known variable stars
(2008), with more being discovered
regularly, so a complete
list of every single variable
at this place...
- The General Catalogue
of Variable Stars
(GCVS) is a list of variable stars
. Its first
, was published
in 1948 by the Academy...
(LBVs) are m****ive evolved stars
that show unpredictable
and sometimes dramatic variations
in both their spectra
- is a variable
star that can undergo unpredictable dramatic increases
for a few minutes. It is believed
that the flares
on flare stars
- protostars, Wolf-Rayet stars
, and flare stars
, as well as giant
and supergiant stars
or explosive variable stars
of Variable Stars
does not define
a long-period variable
star type, although
it does describe
as long-period variables
. The term...
- days. Other
well studied variable stars
includes: Lambda Crucis
and Theta2 Crucis, that are both Beta Cepheid
type variable stars
. BH Crucis, also known...
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