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- مرصد المدار الفلكي 2 (بالإنجليزية: Orbiting Astronomical Observatory 2) (OAO-2) هو مرصد فضائي أُطلق في 7 ديسمبر من عام 1968 عن طريق صاروخ . في هذا المرصد الفلكي رُصدت منهُ الأشعَّة الفَوق بنفسجيَّة الآتية من الشَّمس والمَجرَّات مُنذ اطلاقه في عام 1968 إلى 1972 مُتجاوزًا بذلك العُمر الذي توقَّعهُ العلماء للمَرصد بأنَّه سيعمَل فقط لمدةِ سنةٍ واحدة. (ar)
- The Orbiting Astronomical Observatory 2 (OAO-2, nicknamed Stargazer) was the first successful space telescope (first space telescope being OAO-1, which failed to operate once in orbit), launched on December 7, 1968. An Atlas-Centaur rocket launched it into a nearly circular 750-kilometre (470 mi) altitude Earth orbit. Data was collected in ultraviolet on many sources including comets, planets, and galaxies. It had two major instrument sets facing in opposite directions; the Smithsonian Astrophysical Observatory (SAO) and the Wisconsin Experiment Package (WEP). One discovery was large halos of hydrogen gas around comets, and it also observed Nova Serpentis, which was a nova discovered in 1970. (en)
- OAO-2 Stargazer (Orbiting Astronomical Observatory 2) adalah sebuah observatorium ruang diluncurkan pada 7 Desember 1968, dengan julukan Stargazer. Sebuah roket Atlas Centaur-diluncurkan menjadi hampir bundar 750 kilometer (470 mil) ketinggian orbit Bumi. Data dikumpulkan dalam ultraviolet pada banyak sumber termasuk komet, planet, dan galaksi. Itu dua set utama instrumen menghadap arah yang berlawanan; Smithsonian Astrophysical Observatory (SAO) dan Paket Percobaan Wisconsin (WEP). Salah satu penemuan adalah lingkaran cahaya besar gas hidrogen di sekitar komet, dan juga mengamati Nova Serpentis. (in)
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- Technicians in a clean room at NASA’s Kennedy Space Center in Cape Canaveral, Florida, check out the Orbiting Astronomical Observatory 2 before the mission’s Dec. 7, 1968, launch. (en)
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- Orbiting Astronomical Observatory 2 (en)
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- مرصد المدار الفلكي 2 (بالإنجليزية: Orbiting Astronomical Observatory 2) (OAO-2) هو مرصد فضائي أُطلق في 7 ديسمبر من عام 1968 عن طريق صاروخ . في هذا المرصد الفلكي رُصدت منهُ الأشعَّة الفَوق بنفسجيَّة الآتية من الشَّمس والمَجرَّات مُنذ اطلاقه في عام 1968 إلى 1972 مُتجاوزًا بذلك العُمر الذي توقَّعهُ العلماء للمَرصد بأنَّه سيعمَل فقط لمدةِ سنةٍ واحدة. (ar)
- The Orbiting Astronomical Observatory 2 (OAO-2, nicknamed Stargazer) was the first successful space telescope (first space telescope being OAO-1, which failed to operate once in orbit), launched on December 7, 1968. An Atlas-Centaur rocket launched it into a nearly circular 750-kilometre (470 mi) altitude Earth orbit. Data was collected in ultraviolet on many sources including comets, planets, and galaxies. It had two major instrument sets facing in opposite directions; the Smithsonian Astrophysical Observatory (SAO) and the Wisconsin Experiment Package (WEP). One discovery was large halos of hydrogen gas around comets, and it also observed Nova Serpentis, which was a nova discovered in 1970. (en)
- OAO-2 Stargazer (Orbiting Astronomical Observatory 2) adalah sebuah observatorium ruang diluncurkan pada 7 Desember 1968, dengan julukan Stargazer. Sebuah roket Atlas Centaur-diluncurkan menjadi hampir bundar 750 kilometer (470 mil) ketinggian orbit Bumi. Data dikumpulkan dalam ultraviolet pada banyak sumber termasuk komet, planet, dan galaksi. Itu dua set utama instrumen menghadap arah yang berlawanan; Smithsonian Astrophysical Observatory (SAO) dan Paket Percobaan Wisconsin (WEP). Salah satu penemuan adalah lingkaran cahaya besar gas hidrogen di sekitar komet, dan juga mengamati Nova Serpentis. (in)
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- مرصد المدار الفلكي 2 (ar)
- Orbiting Astronomical Observatory 2 (in)
- Orbiting Astronomical Observatory 2 (en)
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- Orbiting Astronomical Observatory 2 (en)
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