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- Q977278 subject Q7134747.
- Q977278 subject Q7213788.
- Q977278 subject Q7482685.
- Q977278 subject Q8419873.
- Q977278 subject Q8785098.
- Q977278 abstract "Template:ForAbsolute Radiometer for Cosmology, Astrophysics, and Diffuse Emission (ARCADE) is a program which utilizes high-altitude balloon instrument package intended to measure the heating of the universe by the first stars and galaxies after the big bang and search for the signal of relic decay or annihilation. In July 2006 a very strong radio source was found using the radiometer.ARCADE has been funded by the NASA's Science Mission Directorate under the Astronomy and Physics Research and Analysis Suborbital Investigation program. The program is composed of a team led by Alan Kogut of NASA's Goddard Space Flight Center. ARCADE was launched from NASA's Columbia Scientific Balloon Facility in Palestine, Texas, conducted under the auspices of the Balloon Program Office at Wallops Flight Facility. The balloon flew to an altitude of 120,000 feet (37 km), viewing about 7% of the sky during its observations.The craft contained seven radiometers which were cooled to 2.7 K (−270.45 °C; −454.81 °F) using liquid helium, with the intent to measure temperature differences as small as 1/1000 of a degree against a background which is only 3 K (−270.15 °C; −454.27 °F). The optics in the instrument package were placed near the top of the dewar flask which cooled them in order to prevent the instruments from seeing the walls of the container, thereby simplifying the processing of the observational data. This design choice necessitated the use of superfluid pumps in order to drench the radiometers in liquid helium. The design also utilized heaters in order to create a cloud of helium gas, in place of using a (relatively warm) window, which also simplified processing of the observational data.".
- Q977278 thumbnail ARCADE_coverage_of_all-sky_radio_map.jpg?width=300.
- Q977278 wikiPageExternalLink arcade.gsfc.nasa.gov.
- Q977278 wikiPageWikiLink Q106667.
- Q977278 wikiPageWikiLink Q1203476.
- Q977278 wikiPageWikiLink Q15605.
- Q977278 wikiPageWikiLink Q182348.
- Q977278 wikiPageWikiLink Q23664.
- Q977278 wikiPageWikiLink Q2619521.
- Q977278 wikiPageWikiLink Q3391224.
- Q977278 wikiPageWikiLink Q4501207.
- Q977278 wikiPageWikiLink Q5149835.
- Q977278 wikiPageWikiLink Q52152.
- Q977278 wikiPageWikiLink Q617602.
- Q977278 wikiPageWikiLink Q7134747.
- Q977278 wikiPageWikiLink Q7213788.
- Q977278 wikiPageWikiLink Q7433569.
- Q977278 wikiPageWikiLink Q7482685.
- Q977278 wikiPageWikiLink Q8419873.
- Q977278 wikiPageWikiLink Q850281.
- Q977278 wikiPageWikiLink Q8785098.
- Q977278 comment "Template:ForAbsolute Radiometer for Cosmology, Astrophysics, and Diffuse Emission (ARCADE) is a program which utilizes high-altitude balloon instrument package intended to measure the heating of the universe by the first stars and galaxies after the big bang and search for the signal of relic decay or annihilation.".
- Q977278 label "ARCADE".
- Q977278 depiction ARCADE_coverage_of_all-sky_radio_map.jpg.