Statements (55)
| Predicate | Object |
|---|---|
| gptkbp:instance_of |
gptkb:spacecraft
|
| gptkbp:community |
gptkb:Jet_Propulsion_Laboratory
|
| gptkbp:contact |
1974-02-05
1974-10-29 |
| gptkbp:contribution |
contributed to understanding of greenhouse effect on Venus
discovered high surface temperatures on Venus mapped the cloud cover of Venus provided data on atmospheric pressure on Venus revealed the presence of sulfuric acid clouds |
| gptkbp:control_system |
autonomous control system
|
| gptkbp:data_return |
atmospheric data
surface temperature measurements cloud composition data images of Venus |
| gptkbp:data_usage |
8 kbps
|
| gptkbp:frequency |
8.4 GHz
|
| gptkbp:height |
1.5 m
|
| https://www.w3.org/2000/01/rdf-schema#label |
Mariner 77
|
| gptkbp:is_a_destination_for |
gptkb:Venus
|
| gptkbp:launch_date |
1973-03-05
|
| gptkbp:launch_site |
gptkb:Cape_Canaveral
|
| gptkbp:launch_vehicle |
gptkb:Titan_IIIE
|
| gptkbp:launched |
gptkb:NASA
|
| gptkbp:length |
3.6 m
|
| gptkbp:mass |
450 kg
|
| gptkbp:mission |
1974-10-29
|
| gptkbp:mission_duration |
approximately 1 year
|
| gptkbp:mission_type |
planetary exploration
|
| gptkbp:objective |
study the atmosphere of Venus
examine the interaction of Venus's atmosphere with solar radiation assess the potential for volcanic activity on Venus analyze atmospheric composition of Venus analyze the greenhouse effect on Venus's climate determine the presence of lightning on Venus investigate surface conditions of Venus investigate the history of water on Venus map the topography of Venus measure magnetic field of Venus study solar wind interaction with Venus study the dynamics of Venus's atmosphere investigate the thermal properties of Venus's surface |
| gptkbp:operational_use |
1 year
|
| gptkbp:orbit_type |
heliocentric orbit
|
| gptkbp:power_source |
radioisotope thermoelectric generator
|
| gptkbp:resolution |
100 m/pixel
|
| gptkbp:scientific_instruments |
gptkb:magnetometer
TV camera ultraviolet spectrometer infrared radiometer |
| gptkbp:status |
mission completed
|
| gptkbp:storage |
magnetic tape
|
| gptkbp:successor |
gptkb:Mariner_10
|
| gptkbp:width |
2.4 m
|
| gptkbp:bfsParent |
gptkb:NASA_Jet_Propulsion_Laboratory
|
| gptkbp:bfsLayer |
4
|