Venera 4

E477172

Venera 4 was a Soviet space probe that became the first spacecraft to successfully enter another planet’s atmosphere and transmit in-situ data, specifically from Venus, in 1967.

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Statements (56)

Predicate Object
instanceOf Soviet spacecraft
Venus probe
planetary probe
space probe
atmosphericCompositionMeasured high concentration of carbon dioxide
small amounts of nitrogen
atmosphericEntryDate 1967-10-18
atmosphericEntryTarget Venus atmosphere NERFINISHED
carriedInstrument barometer
cosmic-ray detectors
gas analyzer
hygrometer
ion trap
ionization gauge
magnetometer
radio altimeter
solar wind detectors
thermometer
communication transmitted data from within Venus atmosphere
cosparId 1967-058A
countryOfOrigin Soviet Union
endOfMission 1967-10-18
endOfMissionReason crushed by high pressure in Venus atmosphere
first first spacecraft to successfully enter another planet’s atmosphere and transmit in-situ data
first successful in-situ atmospheric probe at Venus
heatShield ablative heat shield for Venus entry
landingModuleMass 383 kg
launchDate 1967-06-12
launchSite Baikonur Cosmodrome NERFINISHED
Baikonur Cosmodrome Site 1/5 NERFINISHED
launchVehicle Molniya-M rocket NERFINISHED
manufacturer Lavochkin Design Bureau NERFINISHED
mass 1106 kg
missionObjective measure composition of the atmosphere of Venus
measure temperature and pressure in the atmosphere of Venus
study Venus ionosphere
study the atmosphere of Venus in situ
missionType atmospheric probe
planetary science mission
nssdcId 1967-058A
operator Soviet space program NERFINISHED
parachuteSystem deceleration parachutes for atmospheric descent
periapsisAltitude approximately 55 km above Venus surface at last transmission
powerSource batteries
solar panels
pressureMeasured at least 18 bar
program Venera program NERFINISHED
relatedMission Venera 1 NERFINISHED
Venera 2 NERFINISHED
Venera 3 NERFINISHED
Venera 5 NERFINISHED
Venera 6 NERFINISHED
shape cylindrical descent capsule with spherical top
spacecraftBus 3MV-1 NERFINISHED
target Venus NERFINISHED
temperatureMeasured at least 262 °C

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