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- HEAO_Program abstract "The High Energy Astronomy Observatory Program was a NASA program of the late 1970s and early 1980s that included a series of three large low-Earth-orbiting spacecraft for X-ray and Gamma-Ray astronomy and Cosmic-Ray investigations. After launch, they were denoted HEAO 1, HEAO 2 (also known as The Einstein Observatory), and HEAO 3, respectively. The large (~3000 kg) satellites were 3-axis stabilized to arc-minute accuracy, with fixed solar panels. All three observatories were launched from Cape Canaveral, Florida on Atlas-Centaur SLV-3D launch vehicles into near-circular orbits with initial altitudes slightly above 500 km.".
- HEAO_Program wikiPageID "15940275".
- HEAO_Program wikiPageRevisionID "590294395".
- HEAO_Program hasPhotoCollection HEAO_Program.
- HEAO_Program subject Category:NASA_programs.
- HEAO_Program subject Category:Space_observatories.
- HEAO_Program type Artifact100021939.
- HEAO_Program type Device103183080.
- HEAO_Program type Instrument103574816.
- HEAO_Program type Instrumentality103575240.
- HEAO_Program type Magnifier103709206.
- HEAO_Program type Object100002684.
- HEAO_Program type PhysicalEntity100001930.
- HEAO_Program type ScientificInstrument104147495.
- HEAO_Program type SpaceTelescopes.
- HEAO_Program type Telescope104403638.
- HEAO_Program type Whole100003553.
- HEAO_Program comment "The High Energy Astronomy Observatory Program was a NASA program of the late 1970s and early 1980s that included a series of three large low-Earth-orbiting spacecraft for X-ray and Gamma-Ray astronomy and Cosmic-Ray investigations. After launch, they were denoted HEAO 1, HEAO 2 (also known as The Einstein Observatory), and HEAO 3, respectively. The large (~3000 kg) satellites were 3-axis stabilized to arc-minute accuracy, with fixed solar panels.".
- HEAO_Program label "HEAO Program".
- HEAO_Program sameAs m.03qhqvg.
- HEAO_Program sameAs Q5629403.
- HEAO_Program sameAs Q5629403.
- HEAO_Program sameAs HEAO_Program.
- HEAO_Program wasDerivedFrom HEAO_Program?oldid=590294395.
- HEAO_Program isPrimaryTopicOf HEAO_Program.