Artist's conception of GPS Block II-F satellite in Earth orbit.

Artist's conception of New Horizons at Pluto

Artist's conception of a white dwarf star Accretion ( astrophysics ) | accreting hydrogen from a larger companion

Artist's conception of the proposed canal, 1899

Artist's conception of the Pioneer 6 – 9 spacecraft

Artist's conception of the Pioneer 10 – 11 spacecraft

Artist's conception of a mass driver for lunar launch

Artist's conception of a Bussard ramjet.

Artist's conception of Cassini – Huygens as it enters Saturn's orbit

Artist's conception of the Phoenix spacecraft as it lands on Mars

Artist's conception of tuna trolling operation, using outriggers to tow multiple trolling lines and give the appearance of Shoaling and schooling | schooling fish

Artist's conception for a Venus airplane

Artist's conception of the supercontinent Rodinia.

Artist's conception of a Cataclysmic variable star | cataclysmic variable system

Artist's conception of British Interplanetary Society's Project Daedalus ( 1978 ), a fusion powered interstellar probe

Artist's conception of Nemesis as a red dwarf seen from a nearby debris field with Sun | the Sun visible in the center.

Artist's conception of a binary star system with one black hole and one main sequence star

Artist's conception of a magnetar, with magnetic field lines

Artist's conception of a cataclysmic variable system

Image: Pruitt-Igoe-corridor-conception. png | Artist's conception of Pruitt – Igoe communal space

Artist's conception of General Benedict Arnold, color mezzotint by Thomas Hart

Artist's conception of the planets of Upsilon Andromedae.

Artist's conception of a simultaneous transit of three planets before Kepler-11 observed by NASA's Kepler spacecraft on Aug. 26, 2010.

Artist's conception of rover on Mars

Artist's impression of a terraformed Venus

Artist's depiction of TMK-MAVR on a Venus flyby

Artist's depiction of TMK-MAVR on a Venus flyby

Artist's impression of multi-megawatt VASIMR spacecraft

Title: Artist's concept of two man Gemini spacecraft in flight

Description: Artist's concept of two man Gemini spacecraft in flight.

Artist's conception early Apollo spacecraft that used direct ascent

The story is deliberately written as an elegiac farewell to the old conception of Mars, complete with canals and an ancient, dying Martian race, as " The Doors of His Face, the Lamps of His Mouth " ( 1965 ) was his farewell to the Venus of earlier science fiction.

cache-sexe – Caesarian section – CAH – call girl – Calymmatobacterium granulomatis – cameltoe – camp ( style ) – camp follower – Canal of Nuck – canal of the cervix – candaulism – Candida albicans – candidiasis – caning – canon law – capacitation – capnolagnia – cardinal ligament – caress – carezza – carunculae myrtiformes – Giacomo Casanova – Cass Identity Model – castration – castration anxiety – castration cult – castration fear – castrato – casual relationship – casual sex – cat fighting – catamite – catecholamine – catfight – Catherinette – catheter ( sexology ) – catheterophilia – Catholic marriage – cavernous nerves of penis – cavum Douglasi – celebrity sex tape – celibacy – celibate marriage – cerclage – cerebral cortex – Certified Sex Therapist-Certified Sex Addiction Therapist-cervical cancer – cervical cap – cervical dysplasia – cervical incompetence – cervical stitch – cervicitis – cervix – CFNM – Chadwick's sign – chancre – Chancroid – chaperon ( e ) – chaperone – charivari – charms – chastity – chastity belt – chastity cage – chastity device – chastity ring – chemical abortion – chemise cagoule – Cheryl Chase – Chevalier d ' Eon – chikan ( body contact ) – child abduction – child marriage – child pornography – child sexual abuse – child sexuality – childbirth – chimera – Chinese marriage – Chinese marriage customs – Chlamydia – Chlamydia trachomatis – chloasma – chordee – choreophilia – choriocarcinoma – chorion – chorionation – chorionic gonadotropin – chrematistophilia – Christian marriage customs – Christian view of marriage – Christina piercing – chromosomal mosaicism – chromosome – chronophilia – chubby chaser – Chukri System – Cialis – cicatrization – circadian – circle jerk – circuit party – circumcision – circumcision scar – civil marriage – civil union – clamp ( BDSM ) – classical friendship – clear cell tumor – clear plastic fetishism – cleft of Venus – Cleveland steamer – climacteric – climax – clinical sexologist – clinical sexology – clip joint – clitoral crura – clitoral glans – clitoral hood – clitoral hood piercing – clitoral orgasm – clitoral reduction – clitoral-vaginal index – clitoridectomy – clitoridotomy – clitorilingus – clitoris – clitoris piercing – clitorism – clitoromegaly – clitoropenis – cloacal exstrophy – the closet – clothed female, naked male – clothed male, naked female – clubwear – CMNF – cock and ball torment – cockblock – cock cage – cock harness – cock ring – cock stuffing – cock vore – cock-stuffing – cockstuffing – coemptio – coercive sexual behavior – cohabitation – coital alignment technique – coital aninsertia – coital fantasy – coition – coitus – coitus interfemoris – coitus interruptus – coitus more ferarum – coitus reservatus – coitus à cheval – coitus à mammilla – coitus à unda – cold knife cone biopsy – collaborative divorce – collar ( BDSM ) – Collaring – colovaginoplasty – colposcope – colposcopy – colposuspension – combined oral contraceptive – Alex Comfort – coming out – commitment ceremony – common penile artery – common prostitute – common-law husband – common-law marriage – common-law wife – commune – companiable love – companionate love – compensated dating – comprehensive sex education – compulsive cruising – computer sex – Anthony Comstock – conception – conceptive phase – concubinage – concubine – concupiscence – condom – condom fatigue – condoms, needles, and negotiation – confarreatio – confetti – congenital adrenal hyperplasia – congenital virilizing adrenal hyperplasia – conjugal visit – connection between paraphilia and sex crimes – consanguinity – consecrated virgin – consensual BDSM – consensual crime – consensual sex – consenting adult – constriction ( sexology ) – consummation – contact magazine – contact rapist – contact tracing – continence – continuous abstinence – contraception – contraceptive – contraceptive film – contraceptive foam – contraceptive patch – contraceptive pill – contraceptive sponge – conversion party – conversion therapy – Coolidge effect – Cooper's ligaments – coprography – coprolagnia – coprolalia – coprophagia – coprophagy – coprophilia – copulate – copulation – copulation fantasy – core gender identity – corona glandis – corona of glans penis – corona radiata ( embryology ) – coronal sulcus – corpora cavernosa – corpus albicans – corpus cavernosum – corpus cavernosum clitoridis – corpus cavernosum penis – corpus hemorrhagicum – corpus luteum – corpus spongiosum – corpus spongiosum penis – corset – corsetting – cortisol – cortisone – costumes – cottaging – counseling – courtesan – courting-courting bench – courtly love – courtship – courtship disorder – Couvade – Couvade syndrome – cowgirl sex position – Cowper's fluid – Cowper's glands – crab louse – crack whore – creampie ( sexual act ) – Creighton Model – cremaster muscle – cremasteric fascia – cremasteric reflex – Cretan pederasty – crime against nature – crime of passion – critical period – cross dressing – cross-complementation – cross-cousin marriage – cross-dresser – cross-dressing – cross-identification – crotchless panties – cruising – cruising ( for sex ) – cruising for sex – crus glandis clitoridis – crus of penis – crush fetish – cryptomenorrhea – cryptorchidism – cryptorchism – crystal and sex – crystal dick – cuckold – cuckold fetishism – cuckoldry – cum – cum swallowing – cum swapping – cumulus oophorus – cunnilinctus – cunnilingus – cunnus – cunt – cupping – curettage – curtesy – Cushing's syndrome – cutting – cybersex – cyproterone – cyproterone acetate – cystitis – cystoscope – cystoscopy – cystostomy – cytogenetic syndrome – Cytomegalovirus –

However, some Western astrologers have suggested associating metal with the planet Venus instead, on the grounds that the associations of metal are closer to the Western astrological conception of Saturn.

An artist's conception of the NASA reference design for the Project Orion spacecraft powered by nuclear propulsion.

An artist's conception of the Project Orion ( nuclear propulsion ) | Project Orion " basic " spacecraft, powered by nuclear pulse propulsion.

An artist's conception of the NASA reference design for the Project Orion spacecraft powered by nuclear propulsion.

The design of the instrument was based on that of an instrument flown on the Pioneer Venus spacecraft.

* Pioneer 5 ( Pioneer P-2, Thor-Able 4, Pioneer V ) – interplanetary space between Earth and Venus, launched March 11, 1960

In 1978, the end of the program saw a return to the inner solar system, with the Pioneer Venus Orbiter and Multiprobe, this time using orbital insertion rather than flyby missions.

* Pioneer Venus Orbiter ( Pioneer Venus 1, Pioneer 12 ) – launched December 1978

* Pioneer Venus Multiprobe ( Pioneer Venus 2, Pioneer 13 ) – launched August 1978

** Pioneer Venus Probe Bus – transport vehicle and upper atmosphere probe

** Pioneer Venus Large Probe – 300 kg parachuted probe

** Pioneer Venus North Probe – 75 kg impactor probe

** Pioneer Venus Night Probe – 75 kg impactor probe

** Pioneer Venus Day Probe – 75 kg impactor probe

* Pioneer Venus – first Venus orbiter + landers