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- Ridge_A abstract "Ridge A is a site in Antarctica that was identified in 2009 as the best suited location on the surface of Earth for astronomical research. The site, approximately 1,000 kilometres (620 mi) from the South Pole and 144 kilometres (89 mi) southeast of Dome A, is situated in a portion of Antarctica claimed by Australia Australian Antarctic Territory.The site is on the Antarctic Plateau at an altitude of 4,053 metres (13,297 ft), and has an average winter temperature of −70 °C (−94 °F). It is possible that this site may have even lower temperatures than Dome A. Ridge A was identified by a team of Australian and American scientists searching for the best observatory spot in the world. The team leader described the site as "so calm there's almost no wind or weather there at all." Ridge A is a low ridge of ice and has been estimated to have very low disturbances to visibility, such as thick atmospheric boundary layer, amount of water vapour and numerous others.The site represents the "Eye of the Storm", whereby winds flowing off Antarctica in all directions appear to start from a point at Ridge A, where winds are at their calmest. It is also the site of a vortex in which swirling stratospheric winds high up and calm air at ground level combine to make it a place for viewing into space that is three times clearer than any other location on Earth.Researchers on the project suggested that photographs taken through a telescope at Ridge A could be nearly as good as those taken by the Hubble Space Telescope. Despite the difficult conditions on Antarctica and the remote location of Ridge A, construction costs for an observatory there that could match the Hubble telescope could be built at a fraction of the cost of sending Hubble into space.For several years a second Giant Magellan Telescope in Antarctica has been proposed.".
- Ridge_A elevation "4053.0".
- Ridge_A locatedInArea Antarctic_Plateau.
- Ridge_A wikiPageID "24188320".
- Ridge_A wikiPageRevisionID "598812349".
- Ridge_A elevationM "4053".
- Ridge_A hasPhotoCollection Ridge_A.
- Ridge_A location Antarctic_Plateau.
- Ridge_A name "Ridge A".
- Ridge_A subject Category:Astronomy_in_the_Antarctic.
- Ridge_A subject Category:Extreme_points_of_Earth.
- Ridge_A point "-81.5 73.5".
- Ridge_A type GeologicalFormation109287968.
- Ridge_A type Mountain109359803.
- Ridge_A type NaturalElevation109366317.
- Ridge_A type Object100002684.
- Ridge_A type PhysicalEntity100001930.
- Ridge_A type YagoGeoEntity.
- Ridge_A type YagoPermanentlyLocatedEntity.
- Ridge_A type Mountain.
- Ridge_A type NaturalPlace.
- Ridge_A type Place.
- Ridge_A type Wikidata:Q532.
- Ridge_A type Mountain.
- Ridge_A type Place.
- Ridge_A type Location.
- Ridge_A type SpatialThing.
- Ridge_A comment "Ridge A is a site in Antarctica that was identified in 2009 as the best suited location on the surface of Earth for astronomical research. The site, approximately 1,000 kilometres (620 mi) from the South Pole and 144 kilometres (89 mi) southeast of Dome A, is situated in a portion of Antarctica claimed by Australia Australian Antarctic Territory.The site is on the Antarctic Plateau at an altitude of 4,053 metres (13,297 ft), and has an average winter temperature of −70 °C (−94 °F).".
- Ridge_A label "Cordilheira A".
- Ridge_A label "Ridge A".
- Ridge_A label "Ridge A".
- Ridge_A label "Ridge A".
- Ridge_A sameAs Ridge_A.
- Ridge_A sameAs Ridge_A.
- Ridge_A sameAs Cordilheira_A.
- Ridge_A sameAs m.07kgx6p.
- Ridge_A sameAs Q1387121.
- Ridge_A sameAs Q1387121.
- Ridge_A sameAs Ridge_A.
- Ridge_A lat "-81.5".
- Ridge_A long "73.5".
- Ridge_A wasDerivedFrom Ridge_A?oldid=598812349.
- Ridge_A isPrimaryTopicOf Ridge_A.
- Ridge_A name "Ridge A".