Parallax \Par"al*lax\, n. [Gr. ? alternation, the mutual
inclination of two lines forming an angle, fr. ? to change a
little, go aside, deviate; para` beside, beyond + ? to
change: cf. F. parallaxe. Cf. Parallel.]
1. The apparent displacement, or difference of position, of
an object, as seen from two different stations, or points
of view.
[1913 Webster]
2. (Astron.) The apparent difference in position of a body
(as the sun, or a star) as seen from some point on the
earth's surface, and as seen from some other conventional
point, as the earth's center or the sun.
[1913 Webster]
3. (Astron.) The annual parallax. See annual parallax,
below.
[PJC]
Annual parallax, the greatest value of the heliocentric
parallax, or the greatest annual apparent change of place
of a body as seen from the earth and sun; it is equivalent
to the parallax of an astronomical object which would be
observed by taking observations of the object at two
different points one astronomical unit (the distance of
the Earth from the sun) apart, if the line joining the two
observing points is perpendicular to the direction to the
observed object; as, the annual parallax of a fixed star.
The distance of an astronomical object from the Earth is
inversely proportional to the annual parallax. A star
which has an annual parallax of one second of an arc is
considered to be one parsec (3.26 light years) distant
from the earth; a star with an annual parallax of
one-hundredth second of an arc is 326 light years distant.
See parsec in the vocabulary, and stellar parallax,
below.
Binocular parallax, the apparent difference in position of
an object as seen separately by one eye, and then by the
other, the head remaining unmoved.
Diurnal parallax or Geocentric parallax, the parallax of
a body with reference to the earth's center. This is the
kind of parallax that is generally understood when the
term is used without qualification.
Heliocentric parallax, the parallax of a body with
reference to the sun, or the angle subtended at the body
by lines drawn from it to the earth and sun; as, the
heliocentric parallax of a planet.
Horizontal parallax, the geocentric parallx of a heavenly
body when in the horizon, or the angle subtended at the
body by the earth's radius.
Optical parallax, the apparent displacement in position
undergone by an object when viewed by either eye singly.
--Brande & C.
Parallax of the cross wires (of an optical instrument),
their apparent displacement when the eye changes its
position, caused by their not being exactly in the focus
of the object glass.
Stellar parallax, the annual parallax of a fixed star.
[1913 Webster]
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Heliocentric \He`li*o*cen"tric\
(h[=e]`l[i^]*[-o]*s[e^]n"tr[i^]k), Heliocentrical
\He`li*o*cen"tric"al\ (h[=e]`l[i^]*[-o]*s[e^]n"tr[i^]*kal), a.
[Helio- + centric, centrical: cf. F. h['e]liocentrique.]
(Astron.)
pertaining to the sun's center, or appearing to be seen from
it; having, or relating to, the sun as a center; -- opposed
to geocentrical.
[1913 Webster]
Heliocentric parallax. See under Parallax.
Heliocentric place, latitude, longitude, etc. (of a
heavenly body), the direction, latitude, longitude, etc.,
of the body as viewed from the sun.
[1913 Webster]
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Heliocentric parallax eHeliocentric parallax eHliocentric parallax HeHliocentric parallax eliocentric parallax HHeliocentric parallax Hleiocentric parallax Heleiocentric parallax Hliocentric parallax Heeliocentric parallax Heilocentric parallax Helilocentric parallax Heiocentric parallax Helliocentric parallax Heloicentric parallax Helioicentric parallax Helocentric parallax Heliiocentric parallax Helicoentric parallax Heliocoentric parallax Helicentric parallax Helioocentric parallax Helioecntric parallax Heliocecntric parallax Helioentric parallax Helioccentric parallax Heliocnetric parallax Heliocenetric parallax Heliocntric parallax Helioceentric parallax Heliocetnric parallax Heliocentnric parallax Heliocetric parallax Heliocenntric parallax Heliocenrtic parallax Heliocentrtic parallax Heliocenric parallax Heliocenttric parallax Heliocentirc parallax Heliocentrirc parallax Heliocentic parallax Heliocentrric parallax Heliocentrci parallax Heliocentrici parallax Heliocentrc parallax Heliocentriic parallax Heliocentri cparallax Heliocentric cparallax Heliocentri parallax Heliocentricc parallax Heliocentricp arallax Heliocentric p arallax Heliocentricparallax Heliocentric parallax Heliocentric aprallax Heliocentric paprallax Heliocentric arallax Heliocentric pparallax Heliocentric praallax Heliocentric paraallax Heliocentric prallax Heliocentric paarallax Heliocentric paarllax Heliocentric pararllax Heliocentric paallax Heliocentric parrallax Heliocentric parlalax Heliocentric paralalax Heliocentric parllax Heliocentric paraallax Heliocentric paralllax Heliocentric paralax Heliocentric paralllax Heliocentric paralalx Heliocentric parallalx Heliocentric paralax Heliocentric paralllax Heliocentric parallxa Heliocentric parallaxa Heliocentric parallx Heliocentric parallaax Heliocentric parallxax Heliocentric paralla Heliocentric parallaxx teliocentric parallax hteliocentric parallax theliocentric parallax yeliocentric parallax hyeliocentric parallax yheliocentric parallax ueliocentric parallax hueliocentric parallax uheliocentric parallax geliocentric parallax hgeliocentric parallax gheliocentric parallax jeliocentric parallax hjeliocentric parallax jheliocentric parallax beliocentric parallax hbeliocentric parallax bheliocentric parallax neliocentric parallax hneliocentric parallax nheliocentric parallax meliocentric parallax hmeliocentric parallax mheliocentric parallax eliocentric parallax h eliocentric parallax heliocentric parallax H3liocentric parallax He3liocentric parallax H3eliocentric parallax H#liocentric parallax He#liocentric parallax H#eliocentric parallax H4liocentric parallax He4liocentric parallax H4eliocentric parallax Hwliocentric parallax Hewliocentric parallax Hweliocentric parallax Hrliocentric parallax Herliocentric parallax Hreliocentric parallax Hsliocentric parallax Hesliocentric parallax Hseliocentric parallax Hdliocentric parallax Hedliocentric parallax Hdeliocentric parallax Hfliocentric parallax Hefliocentric parallax Hfeliocentric parallax Haliocentric parallax Hiliocentric parallax Holiocentric parallax Huliocentric parallax Heiiocentric parallax Heliiocentric parallax Heiliocentric parallax Heoiocentric parallax Heloiocentric parallax Heoliocentric parallax Hepiocentric parallax Helpiocentric parallax Hepliocentric parallax Hekiocentric parallax Helkiocentric parallax Hekliocentric parallax He,iocentric parallax Hel,iocentric parallax He,liocentric parallax He.iocentric parallax Hel.iocentric parallax He.liocentric parallax Hel8ocentric parallax Heli8ocentric parallax Hel8iocentric parallax Hel*ocentric parallax Heli*ocentric parallax Hel*iocentric parallax Hel9ocentric parallax Heli9ocentric parallax Hel9iocentric parallax Heluocentric parallax Heliuocentric parallax Heluiocentric parallax Heloocentric parallax Helioocentric parallax Heloiocentric parallax Heljocentric parallax Helijocentric parallax Heljiocentric parallax Helkocentric parallax Helikocentric parallax Helkiocentric parallax Hellocentric parallax Helilocentric parallax Helliocentric parallax Helaocentric parallax Heleocentric parallax Heli9centric parallax Helio9centric parallax Heli9ocentric parallax Heli(centric parallax Helio(centric parallax Heli(ocentric parallax Heli0centric parallax Helio0centric parallax Heli0ocentric parallax Heliicentric parallax Helioicentric parallax Heliiocentric parallax Helipcentric parallax Heliopcentric parallax Helipocentric parallax Helikcentric parallax Heliokcentric parallax Helikocentric parallax Helilcentric parallax Heliolcentric parallax Helilocentric parallax Heliacentric parallax Heliecentric parallax Heliucentric parallax Heliosentric parallax Heliocsentric parallax Helioscentric parallax Heliodentric parallax Heliocdentric parallax Heliodcentric parallax Heliofentric parallax Heliocfentric parallax Heliofcentric parallax Helioxentric parallax Heliocxentric parallax Helioxcentric parallax Helioventric parallax Heliocventric parallax Heliovcentric parallax Helio entric parallax Helioc entric parallax Helio centric parallax Helioc3ntric parallax Helioce3ntric parallax Helioc3entric parallax Helioc#ntric parallax Helioce#ntric parallax Helioc#entric parallax Helioc4ntric parallax Helioce4ntric parallax Helioc4entric parallax Heliocwntric parallax Heliocewntric parallax Heliocwentric parallax Heliocrntric parallax Heliocerntric parallax Heliocrentric parallax Heliocsntric parallax Heliocesntric parallax Heliocsentric parallax Heliocdntric parallax Heliocedntric parallax Heliocdentric parallax Heliocfntric parallax Heliocefntric parallax Heliocfentric parallax Heliocantric parallax Heliocintric parallax Heliocontric parallax Heliocuntric parallax Heliocegtric parallax Heliocengtric parallax Heliocegntric parallax Heliocehtric parallax Heliocenhtric parallax Heliocehntric parallax Heliocejtric parallax Heliocenjtric parallax Heliocejntric parallax Heliocebtric parallax Heliocenbtric parallax Heliocebntric parallax Heliocemtric parallax Heliocenmtric parallax Heliocemntric parallax Helioce tric parallax Heliocen tric parallax Helioce ntric parallax Heliocen5ric parallax Heliocent5ric parallax Heliocen5tric parallax Heliocen%ric parallax Heliocent%ric parallax Heliocen%tric parallax Heliocen6ric parallax Heliocent6ric parallax Heliocen6tric parallax Heliocenrric parallax Heliocentrric parallax Heliocenrtric parallax Heliocenyric parallax Heliocentyric parallax Heliocenytric parallax Heliocenfric parallax Heliocentfric parallax Heliocenftric parallax Heliocengric parallax Heliocentgric parallax Heliocengtric parallax Heliocenhric parallax Heliocenthric parallax Heliocenhtric parallax Heliocent4ic parallax Heliocentr4ic parallax Heliocent4ric parallax Heliocent$ic parallax Heliocentr$ic parallax Heliocent$ric parallax Heliocent5ic parallax Heliocentr5ic parallax Heliocent5ric parallax Heliocenteic parallax Heliocentreic parallax Heliocenteric parallax Heliocenttic parallax Heliocentrtic parallax Heliocenttric parallax Heliocentdic parallax Heliocentrdic parallax Heliocentdric parallax Heliocentfic parallax Heliocentrfic parallax Heliocentfric parallax Heliocentgic parallax Heliocentrgic parallax Heliocentgric parallax Heliocentr8c parallax Heliocentri8c parallax Heliocentr8ic parallax Heliocentr*c parallax Heliocentri*c parallax Heliocentr*ic parallax Heliocentr9c parallax Heliocentri9c parallax Heliocentr9ic parallax Heliocentruc parallax Heliocentriuc parallax Heliocentruic parallax Heliocentroc parallax Heliocentrioc parallax Heliocentroic parallax Heliocentrjc parallax Heliocentrijc parallax Heliocentrjic parallax Heliocentrkc parallax Heliocentrikc parallax Heliocentrkic parallax Heliocentrlc parallax Heliocentrilc parallax Heliocentrlic parallax Heliocentrac parallax Heliocentrec parallax Heliocentris parallax Heliocentrics parallax Heliocentrisc parallax Heliocentrid parallax Heliocentricd parallax Heliocentridc parallax Heliocentrif parallax Heliocentricf parallax Heliocentrifc parallax Heliocentrix parallax Heliocentricx parallax Heliocentrixc parallax Heliocentriv parallax Heliocentricv parallax Heliocentrivc parallax Heliocentri parallax Heliocentric parallax Heliocentri c parallax Heliocentric 0arallax Heliocentric p0arallax Heliocentric 0parallax Heliocentric )arallax Heliocentric p)arallax Heliocentric )parallax Heliocentric oarallax Heliocentric poarallax Heliocentric oparallax Heliocentric larallax Heliocentric plarallax Heliocentric lparallax Heliocentric pqrallax Heliocentric paqrallax Heliocentric pqarallax Heliocentric pwrallax Heliocentric pawrallax Heliocentric pwarallax Heliocentric psrallax Heliocentric pasrallax Heliocentric psarallax Heliocentric pxrallax Heliocentric paxrallax Heliocentric pxarallax Heliocentric pzrallax Heliocentric pazrallax Heliocentric pzarallax Heliocentric p rallax Heliocentric pa rallax Heliocentric p arallax Heliocentric perallax Heliocentric pirallax Heliocentric porallax Heliocentric purallax Heliocentric pa4allax Heliocentric par4allax Heliocentric pa4rallax Heliocentric pa$allax Heliocentric par$allax Heliocentric pa$rallax Heliocentric pa5allax Heliocentric par5allax Heliocentric pa5rallax Heliocentric paeallax Heliocentric pareallax Heliocentric paerallax Heliocentric patallax Heliocentric partallax Heliocentric patrallax Heliocentric padallax Heliocentric pardallax Heliocentric padrallax Heliocentric pafallax Heliocentric parfallax Heliocentric pafrallax Heliocentric pagallax Heliocentric pargallax Heliocentric pagrallax Heliocentric parqllax Heliocentric paraqllax Heliocentric parqallax Heliocentric parwllax Heliocentric parawllax Heliocentric parwallax Heliocentric parsllax Heliocentric parasllax Heliocentric parsallax Heliocentric parxllax Heliocentric paraxllax Heliocentric parxallax Heliocentric parzllax Heliocentric parazllax Heliocentric parzallax Heliocentric par llax Heliocentric para llax Heliocentric par allax Heliocentric parellax Heliocentric parillax Heliocentric parollax Heliocentric parullax Heliocentric paraiiax Heliocentric paraliiax Heliocentric paraiilax Heliocentric paraooax Heliocentric paralooax Heliocentric paraoolax Heliocentric parappax Heliocentric paralppax Heliocentric parapplax Heliocentric parakkax Heliocentric paralkkax Heliocentric parakklax Heliocentric para,,ax Heliocentric paral,,ax Heliocentric para,,lax Heliocentric para..ax Heliocentric paral..ax Heliocentric para..lax Heliocentric parallqx Heliocentric parallaqx Heliocentric parallqax Heliocentric parallwx Heliocentric parallawx Heliocentric parallwax Heliocentric parallsx Heliocentric parallasx Heliocentric parallsax Heliocentric parallxx Heliocentric parallaxx Heliocentric parallxax Heliocentric parallzx Heliocentric parallazx Heliocentric parallzax Heliocentric parall x Heliocentric paralla x Heliocentric parall ax Heliocentric parallex Heliocentric parallix Heliocentric parallox Heliocentric parallux Heliocentric parallaa Heliocentric parallaxa Heliocentric parallaax Heliocentric parallas Heliocentric parallaxs Heliocentric parallasx Heliocentric parallad Heliocentric parallaxd Heliocentric paralladx Heliocentric parallaz Heliocentric parallaxz Heliocentric parallazx Heliocentric parallac Heliocentric parallaxc Heliocentric parallacx Heliocentric paralla Heliocentric parallax Heliocentric paralla x Definition commonly spelled as: Defanition or Defenition, Synonym as: Synonim, Sinonym or Sinonim, Thesaurus as: Thesorus or Thesauris, Dictionary as: Dictionery or Dictionry and Define is usually not misspelled. What does mispell meen? It Meens...
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