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Aditya (satellite)
Aditya ( ) or Aditya-1 is a spacecraft whose mission is to study the Sun. It was conceptualised by the ''Advisory Committee for Space Research'' in January 2008. It has been designed〔 〕 and will be built and launched by the Indian Space Research Organisation (ISRO).〔 Former ISRO chairman G. Madhavan Nair announced the approval of this mission on 10 November 2008.
==Spacecraft==
Aditya was proposed to be sent to space by 2015–16 to study the solar corona.〔(Aditya 1 launch delayed to 2015-16 ) Times of India Retrieved 9 September 2012〕 This part of the Sun has temperatures of over one million degrees, with raging solar winds that reach a velocity of up to 1000 km a second. The satellite will carry as its payload an advanced solar coronagraph.〔 Due to confidence in handling multiple payloads after the Mars Orbiter Mission, ISRO now plans to launch the craft in 2017-18, and it will carry multiple payloads for better solar data collection. The extra payloads will include an ultraviolet imager telescope to observe the entire solar disc for solar storms, a high energy x-ray imager to scan smaller region of the solar disc to study flares, a wind particle detector to sample the solar wind, a soft x-ray spectrometer and a variable emission coronagraph.
It will be a small satellite, which was initially projected to cost about ,〔 but due to an upgraded mission profile, it is estimated to cost .〔 It is likely to be placed into a near earth orbit of 800 km.〔(【引用サイトリンク】 title=Mission )〕 The spacecraft's mission will be to study the fundamental problems of coronal heating, and other phenomena that take place in the Earth's magnetosphere.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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