retrograde orbit

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retrograde orbit [′re·trə‚grād ′ȯr·bət]

(astronomy)

Motion in an orbit opposite to the usual orbital direction of celestial bodies within a given system; specifically, of a satellite, motion in a direction opposite to the direction of rotation of the primary. Also known as retrograde motion.

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No references found			On May 30, 2009, a Japanese collaboration team led by Norio Narita (National Astronomical Observatory of Japan) used the Subaru Telescope's High Dispersion Spectrograph (HDS) to observe the HAT-P-7 planetary system, which is about 1000 light-years distant from Earth, and found the first evidence of a retrograde orbit of the extrasolar planet HAT-P-7b. Extrasolar planet confirmed to have highly tilted orbit by Asian News International These retrograde orbits have led astronomers to speculate that the irregular moons were captured by the fully formed planets from the vast reservoir of icy debris in the young solar system. In moon race, Saturn is still champ by Science News Scattered into a highly elliptical, retrograde orbit, it would have been subjected to intense tides. Newly discovered planet victim of game of 'planetary billiards' by Asian News International			retrieve retriever retro retroaction Retroactive Force of a Law Retroactive Inhibition retroactive interference retroactive refit retrocerebral gland retrochoir retrocomputing retrodirective mirror retrofire time retrofit Retroflex Consonants retroflexion retrogradation retrograde retrograde amnesia retrograde condensation retrograde evaporation retrograde gas-condensate reservoir retrograde metamorphism retrograde motion Retrograde Motion of Planets retrograde orbit retrograde reservoir retrograde wave retrograding shoreline retrogression retrogressive metamorphism retrolental fibroplasia retronym retroposon retroreflection retroreflector retrorocket retrorse retrospective Retrospective Bibliography retrostalsis retrosynthetic analysis retrotransposon retroussage retroversion Retroviridae retrovirus retry retsina Rett syndrome Rettikhovka			retrograde extrasystole retrograde extrasystole retrograde filling retrograde filling retrograde filling retrograde flow retrograde gas-condensate reservoir retrograde hernia retrograde hernia retrograde hernia retrograde infantilism Retrograde infection Retrograde Infusion of the Cerebral Vein Retrograde Intransit Visibility Report Retrograde Intrarenal Stone Surgery Retrograde Intravenous Pressure Infusion Retrograde Leak Point Pressure retrograde menstruation retrograde menstruation retrograde menstruation retrograde metamorphism Retrograde motion Retrograde Motion of Planets retrograde movement Retrograde Nontransseptal Balloon Mitral Valvuloplasty retrograde obturation retrograde obturation retrograde obturation retrograde obturation retrograde operation retrograde orbit Retrograde Perfusion of the Cerebral Vein retrograde personnel Retrograde Processing Point Retrograde Processing Point Automated System Retrograde Property Assistance Team Retrograde pyelogram Retrograde pyelogram retrograde pyelography retrograde pyelography retrograde pyelography retrograde pyelography retrograde pyelography retrograde reservoir Retrograde Right Atrium Perfusion Retrograde Rocket System Retrograde Ship Time retrograde storage area retrograde support element Retrograde Transhepatic Biliary Drainage Retrograde Transurethral Balloon Dilatation Retrograde Ureteropyelography Retrograde Urethrogram retrograde urethrography retrograde urography retrograde urography retrograde urography Retrograde Warm Continuous Cardioplegia retrograde wave retrograde Wenckebach retrograded

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