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India's Space Missions Lesson 1 By Dr. Roman Saini
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Topics Covered 1. 2. ISRO & Its history Types of Satellites launched by ISRO a. Communication b. Earth observation c. Navigation d. Space Science e. Experimental Summary of past achievements Summary of recent achievements 3. 4.
ISRO & Its History Indian National Committee for Space Research (INCOSPAR) was set up by the Government of India in 1962 with the visionary Dr. Vikram Sarabhai as its chairperson. INCOSPAR set up the Thumba Equatorial Rocket Launching Station (TERLS) in Thiruvananthapuram for upper atmospheric research Indian Space Research Organisation (ISRO) was formed in 1969, superseded the erstwhile INCOSPAR. ISRO has upheld its mission of bringing space to the service of the common man and to the service of the Nation. .
In the process, it has become one of the six largest space agencies in the world. . Also, ISRO maintains one of the largest fleet of communication satellites (INSAT) and remote sensing (IRS) satellites that cater to the ever-growing demand for fast and reliable communication and earth observation respectively. ISRO built India's first satellite, Aryabhata which was launched by the Soviet Union on 19 April 1975 India's first Satellite Launch Vehicle (SLV-3) failed in 1979, it was carrying Rohini Technology Payload (RTP)
Tvpes Of Satellites Launched By ISRO 1. Communication Satellites: . The Indian National Satellite (INSAT) System is one of the largest domestic communication satellite systems placed in geostationary orbit. The INSAT system provides services to telecommunications, television broadcasting, satellite newsgathering, societal applications, weather forecasting, disaster warning, and search and rescue operations. .
Tvpes Of Satellites Launched By ISRO 2. Earth Observations Satellite: . ISRO has launched many operational Remote Sensing Satellites such as Cartosat 2, Resourcesat 1, Oceansat 2 etc. in Sun-synchronous Orbit and INSAT-3D, Kalpana etc. in Geosynchronous Orbit. It has a wide range of utilities covering agriculture, water resources, urban planning, rural development, mineral prospecting, environment, forestry, ocean resources, and disaster management. .
Tvpes Of Satellites Launched By ISRO 3. Navigation Satellite: . To meet the user requirements of the positioning, navigation, and timing services. For example IRNSS for both civil & military services, GPS Aided Geo Augmented Navigation (GAGAN) to meet civil aviation requirements.
Tvpes Of Satellites Launched By ISRO 4. Space Science Satellite: Research in areas like Astronomy, Astrophysics, Planetary and Earth Sciences, Atmospheric Sciences and Theoretical Physics etc For Example - Astrosat, Chandrayaan 1 & 2, Mars Orbiter Mission, Aditya etc. . .
Summary Of Past Achievements . 1975: Launches India's first satellite Aryabhatta. 1983: Known as INSAT, ISRO launches nine satellite for communication and broadcast purposes. 1993: Since 1993, PSLV has launched over 40 satellites from 40 different countries . . 2008: First lunar mission Chandrayaan puts India in an elite club of six nations 2014: Has a successful mission to Mars. Mission Mangalyaan cost 10 times less than the same mission undertaken by the US previously. .