Millimeter Anisotropy eXperiment IMaging Array (original) (raw)
MAXIMA (acronyme de Millimeter Anisotropy eXperiment IMaging Array) est un instrument d'observation des anisotropies du fond diffus cosmologique monté sur un ballon stratosphérique d'observation américain qui a opéré à la fin des années 1990, à la même époque que l'instrument BOOMERanG, de sensibilité voisine.
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| dbo:abstract | The Millimeter Anisotropy eXperiment IMaging Array (MAXIMA) experiment was a balloon-borne experiment funded by the United States NSF, NASA, and Department of Energy, and operated by an international collaboration headed by the University of California, to measure the fluctuations of the cosmic microwave background. It consisted of two flights, one in August 1998 and one in June 1999. For each flight the balloon was started at the Columbia Scientific Balloon Facility in Palestine, Texas and flew to an altitude of 40,000 metres for over 8 hours. For the first flight it took data from about 0.3 percent of the sky of the northern region near the Draco constellation. For the second flight, known as MAXIMA-II, twice the area was observed, this time in the direction of Ursa Major. Initially planned together with the BOOMERanG experiment, it split off during the planning phase to take a less risky approach by reducing flying time as well as launching and landing on U.S. territory. (en) MAXIMA (acronyme de Millimeter Anisotropy eXperiment IMaging Array) est un instrument d'observation des anisotropies du fond diffus cosmologique monté sur un ballon stratosphérique d'observation américain qui a opéré à la fin des années 1990, à la même époque que l'instrument BOOMERanG, de sensibilité voisine. (fr) Il Millimeter Anisotropy eXperiment IMaging Array (MAXIMA) è stato un esperimento finanziato dal National Science Foundation, NASA e dal dipartimento dell'Energia degli Stati Uniti, e operata da una collaborazione internazionale capeggiata dall'Università della California. Lo scopo di questo esperimento è stato la misurazione delle fluttuazioni della radiazione cosmica di fondo. Tale esperimento è stato realizzato compiendo due voli di un pallone da alta quota, l'agosto del 1998 e giugno del 1999. Entrambi i voli sono partiti dalla , situata a Palestine, Texas (31°46′48″N 95°43′22″W / 31.78°N 95.722778°W). Tali palloni hanno sorvolato la Terra ad un'altitudine di 40000 metri per otto ore. Il primo volo ha preso dati dallo 0,3 % circa della porzione nord del cielo, vicino alla costellazione del Dragone. Il secondo volo, chiamato anche MAXIMA-II, ha scansionato la porzione di cielo in direzione dell'Orsa Maggiore. Inizialmente pianificato assieme all'esperimento BOOMERanG, è stato rinviato per ridurre i rischi riducendo il tempo di volo, nonché per permetterne il lancio e l'atterraggio in territorio Statunitense. (it) |
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| rdfs:comment | MAXIMA (acronyme de Millimeter Anisotropy eXperiment IMaging Array) est un instrument d'observation des anisotropies du fond diffus cosmologique monté sur un ballon stratosphérique d'observation américain qui a opéré à la fin des années 1990, à la même époque que l'instrument BOOMERanG, de sensibilité voisine. (fr) The Millimeter Anisotropy eXperiment IMaging Array (MAXIMA) experiment was a balloon-borne experiment funded by the United States NSF, NASA, and Department of Energy, and operated by an international collaboration headed by the University of California, to measure the fluctuations of the cosmic microwave background. It consisted of two flights, one in August 1998 and one in June 1999. For each flight the balloon was started at the Columbia Scientific Balloon Facility in Palestine, Texas and flew to an altitude of 40,000 metres for over 8 hours. For the first flight it took data from about 0.3 percent of the sky of the northern region near the Draco constellation. For the second flight, known as MAXIMA-II, twice the area was observed, this time in the direction of Ursa Major. (en) Il Millimeter Anisotropy eXperiment IMaging Array (MAXIMA) è stato un esperimento finanziato dal National Science Foundation, NASA e dal dipartimento dell'Energia degli Stati Uniti, e operata da una collaborazione internazionale capeggiata dall'Università della California. Lo scopo di questo esperimento è stato la misurazione delle fluttuazioni della radiazione cosmica di fondo. Tale esperimento è stato realizzato compiendo due voli di un pallone da alta quota, l'agosto del 1998 e giugno del 1999. Entrambi i voli sono partiti dalla , situata a Palestine, Texas (31°46′48″N 95°43′22″W / 31.78°N 95.722778°W). Tali palloni hanno sorvolato la Terra ad un'altitudine di 40000 metri per otto ore. Il primo volo ha preso dati dallo 0,3 % circa della porzione nord del cielo, vicino alla costellazio (it) |
| rdfs:label | MAXIMA (fr) Millimeter Anisotropy eXperiment IMaging Array (it) Millimeter Anisotropy eXperiment IMaging Array (en) |
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