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- Vanguard_1 abstract "Vanguard 1 (ID: 1958-Beta 2) was the fourth artificial Earth orbital satellite launched (after Sputnik 1, Sputnik 2, and Explorer 1). It was the first satellite to be solar powered. Although communication with it was lost in 1964, it remains the oldest manmade satellite still in orbit. It was designed to test the launch capabilities of a three-stage launch vehicle as a part of Project Vanguard, and the effects of the environment on a satellite and its systems in Earth orbit. It also was used to obtain geodetic measurements through orbit analysis. Vanguard 1 was described by then-Soviet Premier Nikita Khrushchev as, "The grapefruit satellite."".
- Vanguard_1 thumbnail Vanguard_1_composite.jpg?width=300.
- Vanguard_1 wikiPageExternalLink spacecraftDisplay.do?id=1958-002B.
- Vanguard_1 wikiPageID "82007".
- Vanguard_1 wikiPageLength "12786".
- Vanguard_1 wikiPageOutDegree "59".
- Vanguard_1 wikiPageRevisionID "683276770".
- Vanguard_1 wikiPageWikiLink Aluminium.
- Vanguard_1 wikiPageWikiLink Aluminum.
- Vanguard_1 wikiPageWikiLink Antenna_(radio).
- Vanguard_1 wikiPageWikiLink Atmosphere_of_Earth.
- Vanguard_1 wikiPageWikiLink Atmospheric_drag.
- Vanguard_1 wikiPageWikiLink Baker-Nunn_camera.
- Vanguard_1 wikiPageWikiLink Baseline.
- Vanguard_1 wikiPageWikiLink Cape_Canaveral_Air_Force_Station.
- Vanguard_1 wikiPageWikiLink Cape_Canaveral_Air_Force_Station_Launch_Complex_18.
- Vanguard_1 wikiPageWikiLink Category:1958_in_the_United_States.
- Vanguard_1 wikiPageWikiLink Category:Derelict_satellites_orbiting_Earth.
- Vanguard_1 wikiPageWikiLink Category:Project_Vanguard.
- Vanguard_1 wikiPageWikiLink Category:Spacecraft_launched_in_1958.
- Vanguard_1 wikiPageWikiLink Chantilly,_Virginia.
- Vanguard_1 wikiPageWikiLink Coefficient_of_drag.
- Vanguard_1 wikiPageWikiLink Delta-v.
- Vanguard_1 wikiPageWikiLink Drag_(physics).
- Vanguard_1 wikiPageWikiLink Drag_coefficient.
- Vanguard_1 wikiPageWikiLink Earth.
- Vanguard_1 wikiPageWikiLink Earth_science.
- Vanguard_1 wikiPageWikiLink Explorer_1.
- Vanguard_1 wikiPageWikiLink Figure_of_the_Earth.
- Vanguard_1 wikiPageWikiLink Geocentric_orbit.
- Vanguard_1 wikiPageWikiLink Geodesy.
- Vanguard_1 wikiPageWikiLink Inclination.
- Vanguard_1 wikiPageWikiLink International_Designator.
- Vanguard_1 wikiPageWikiLink International_Geophysical_Year.
- Vanguard_1 wikiPageWikiLink James_Van_Allen.
- Vanguard_1 wikiPageWikiLink Launch_vehicle.
- Vanguard_1 wikiPageWikiLink Medium_Earth_orbit.
- Vanguard_1 wikiPageWikiLink Mercury_battery.
- Vanguard_1 wikiPageWikiLink Milliwatt.
- Vanguard_1 wikiPageWikiLink Multistage_rocket.
- Vanguard_1 wikiPageWikiLink NASA.
- Vanguard_1 wikiPageWikiLink National_Academy_of_Sciences.
- Vanguard_1 wikiPageWikiLink National_Air_and_Space_Museum.
- Vanguard_1 wikiPageWikiLink Nikita_Khrushchev.
- Vanguard_1 wikiPageWikiLink Operation_Moonwatch.
- Vanguard_1 wikiPageWikiLink Orbital_inclination.
- Vanguard_1 wikiPageWikiLink Premier_of_the_Soviet_Union.
- Vanguard_1 wikiPageWikiLink Project_Vanguard.
- Vanguard_1 wikiPageWikiLink Quito.
- Vanguard_1 wikiPageWikiLink Quito,_Ecuador.
- Vanguard_1 wikiPageWikiLink Radiation_pressure.
- Vanguard_1 wikiPageWikiLink Rockoon.
- Vanguard_1 wikiPageWikiLink Satellite.
- Vanguard_1 wikiPageWikiLink Schmidt_camera.
- Vanguard_1 wikiPageWikiLink Separation_event.
- Vanguard_1 wikiPageWikiLink Smithsonian_National_Air_and_Space_Museum.
- Vanguard_1 wikiPageWikiLink Solar_cell.
- Vanguard_1 wikiPageWikiLink Solar_power.
- Vanguard_1 wikiPageWikiLink Soviet_Premier.
- Vanguard_1 wikiPageWikiLink Space_debris.
- Vanguard_1 wikiPageWikiLink Sphere.
- Vanguard_1 wikiPageWikiLink Sputnik_1.
- Vanguard_1 wikiPageWikiLink Sputnik_2.
- Vanguard_1 wikiPageWikiLink Thermal_insulation.
- Vanguard_1 wikiPageWikiLink Thermal_protection.
- Vanguard_1 wikiPageWikiLink Thermistor.
- Vanguard_1 wikiPageWikiLink Timeline_of_artificial_satellites_and_space_probes.
- Vanguard_1 wikiPageWikiLink Total_electron_content.
- Vanguard_1 wikiPageWikiLink U.S._Naval_Research_Laboratory.
- Vanguard_1 wikiPageWikiLink United_States_National_Academy_of_Sciences.
- Vanguard_1 wikiPageWikiLink United_States_Naval_Research_Laboratory.
- Vanguard_1 wikiPageWikiLink United_States_Navy.
- Vanguard_1 wikiPageWikiLink University_of_Iowa.
- Vanguard_1 wikiPageWikiLink Vanguard_(rocket).
- Vanguard_1 wikiPageWikiLink Watt.
- Vanguard_1 wikiPageWikiLink File:Vanguard_1.jpg.
- Vanguard_1 wikiPageWikiLinkText "Vanguard 1".
- Vanguard_1 wikiPageWikiLinkText "Vanguard 1".
- Vanguard_1 wikiPageWikiLinkText "Vanguard_1#Post_mission".
- Vanguard_1 wikiPageWikiLinkText "vanguard 1".
- Vanguard_1 apsis "gee".
- Vanguard_1 auto "on".
- Vanguard_1 decayDate "~240-year orbital lifetime".
- Vanguard_1 harvardDesignation "1958".
- Vanguard_1 hasPhotoCollection Vanguard_1.
- Vanguard_1 imageCaption "Image of the satellite Vanguard 1.".
- Vanguard_1 launchDate "--03-17".
- Vanguard_1 launchRocket Vanguard_(rocket).
- Vanguard_1 launchSite Cape_Canaveral_Air_Force_Station.
- Vanguard_1 launchSite Cape_Canaveral_Air_Force_Station_Launch_Complex_18.
- Vanguard_1 manufacturer United_States_Naval_Research_Laboratory.
- Vanguard_1 missionDuration "1.9008E8".
- Vanguard_1 missionType Earth_science.
- Vanguard_1 name "Vanguard 1".
- Vanguard_1 operator United_States_Navy.
- Vanguard_1 orbitArgPeriapsis "120.16".
- Vanguard_1 orbitEccentricity "0.1844061".
- Vanguard_1 orbitEpoch "--01-23".
- Vanguard_1 orbitInclination "34.24".
- Vanguard_1 orbitMeanAnomaly "10.84".