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s&t_vinoy_krishna.odt

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    Science and technology  ISRO~ Indian Space Research Organisation   ISRO (  इसर  ) logo (adopted in 2002)[1] [2] Abbreviation ISRO Formation 15 August 1969; 49 years ago (1962 as INCOSPAR) Headquarters Bengaluru, Karnataka, India 12°57′56″N 77°41′53″E Coordinates:    12°57′56″N 77°41′53″E Administrator K. Sivan, Secretary (Space) and chairperson, ISRO [3] Primary spaceport Satish Dhawan Space Centre(SHAR), Sriharikota, Andhra Pradesh Parent organisation Department of Space, Government of India Budget  ₹ 11,538.26 crore(US$1.7 billion) (2019–20 ) [4] Staff  16,072 as of 2018 [5] Website www  The Indian Space Research Organisation  ( ISRO , /ˈɪsroʊ/) is the space agency of the Government of India headquartered in the city of Bengaluru. Its vision is to harness space technology for national development while pursuing space science research and planetary exploration.  Seven mega missions by ISRO   What to study?  For prelims and mains: key features and signicance of the missions announced.   Context : The Indian Space Research Organisation (ISRO) has announced its planned seven mega missions which will be conducted over a period of next 10 years.   The seven mega missions include: 1.Chandrayaan-2.2.XPoSat (to study cosmic radiation in 2020) and Aditya-L1(to the Sun in 2021).3.Undened Missions – which include missions which are still in planning stage namely Mangalyaan-2 (or Mars Orbiter Mission-2 in 2022), Lunar Polar Exploration (or Chandrayaan-3 in 2024), Venus mission (in 2023), Exoworlds (exploration outside the solar system in 2028).   About Xposat: ã The X-ray Polarimeter Satellite (or Xposat), is ISRO’s dedicated mission to studypolarization . It will be launched launch in year 2020. ã It will be a fve-year mission and will study cosmic radiation . ã It will be carrying a payload named ‘ polarimeter instrument in X-rays’ (POLIX)  made by Raman Research Institute. POLIX will study degree and angle of polarisation of bright X-ray sources in energy range 5-30 keV. ã The spacecraft will be placed in a circular 500-700km orbit.   About Aditya- L1 mission:What is it?  It is India’s rst solar mission.  Objectives : It will study the sun’s outer most layers, the corona and the chromospheres and collect data about coronal mass ejection, which will also yield information for space weather prediction. Signifcance o the mission: The data from Aditya mission will be immensely helpful in discriminating between dierent models for the srcin of solar storms and also for constraining how the storms evolve and what path they take through the interplanetary space from the Sun to the Earth. Position o the satellite:  In order to get the best science from the sun, continuous viewing of the sun is preferred without any occultation/ eclipses and hence, Aditya- L1 satellite will be placed in the halo orbit around the Lagrangian point 1 (L1) of the sun-earth system.

Farragut North.doc

Sep 22, 2019

Sep 22, 2019
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