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Chennai, The Indian space rockets are set to go <keyword id="6355671" type="UNKNOWN" weightage="20" keywordseo="green">green</keyword> as <keyword id="6358064" type="COMPANY" weightage="20" keywordseo="isro">ISRO</keyword> is working to replace its existing hazardous <keyword id="4869" type="PERSON" weightage="20" keywordseo="Fuel">fuel</keyword> with non-hazardous and environment- friendly fuels for its rockets and <keyword id="41530" type="ORGANIZATION" weightage="20" keywordseo="satellites">satellites</keyword>, the ISRO Chairman said. He also said that the <keyword id="116095" type="COMPANY" weightage="20" keywordseo="Indian-Space-Research-Organisation">Indian Space Research Organisation</keyword> (ISRO) is looking at green propulsion through hydrogen peroxide in its rocket that would take Indians into the space under its 'Gaganyaan' mission. "Since humans will be inside the rocket, we want only non-hazardous fuel and not the hazardous one to power the human space mission's Gaganyaan rocket," ISRO chief K Sivan, who is also Secretary in <keyword id="245720" type="COMPANY" weightage="20" keywordseo="Department-of-Space">Department of Space</keyword>, told IANS. According to him, ISRO is also looking at rocket engines powered by hydrogen peroxide as a mono-propellant or as a bi-propellant along with ethanol. ISRO is also developing another green fuel - LOX/Methane- liquid oxygen as oxidiser and methane as fuel. "One month back, we tested the LOX/Methane engine and the results were good," Sivan said. The LOX/Methane propellant has advantages in terms of specific impulse, storability, low toxicity, and cost. According to Sivan, the space agency is looking to replace its existing liquid engine fuels with green fuel-powered ones. ISRO has also developed ISROSENE, which is a rocket-grade version of kerosene as an alternative to conventional hydrazine rocket fuel. Queried about the green option for its solid fuel-fired engines, Sivan said the work towards this end is also progressing well. As regards powering the satellites, ISRO is working towards lightweight electrical propulsion in place of chemical fuel. "Now, fuel constitutes nearly 50 per cent of the satellite weight. On the other hand, the electrical propulsion system is much lighter, say 200-300 kg. When electrical propulsion is used, then the satellite's payload can be increased or the satellite can be put into orbit by a lightweight rocket," Sivan said. The ISRO chief said that the payload of six-tonne satellite with chemical fuel can be configured in a satellite weighing four tonnes when powered by electrical propulsion. Presently, ISRO can put into orbit communication satellites weighing up to four tonnes with its rockets and satellites over four tonnes are orbited using European space agency Arianespace's Ariane rocket. "When the weight of the satellite goes down due to electric propulsion, we can use a normal geosynchronous satellite launch vehicle (GSLV) rocket instead of GSLV-Mk III rocket or the Polar Satellite Launch Vehicle (PSLV) instead of the normal GSLV rocket," Sivan added. "We will soon launch an electric propulsion technology demonstrator satellite," he added. ISRO has successfully demonstrated electric propulsion system for station-keeping operations in the South Asia Satellite, launched on May 5, 2017. In 2010, ISRO flew its communication satellite GSAT-4 with electrical propulsion and other new technologies. The satellite however did not reach its intended orbit owing to problems in the GSLV rocket's third stage. SEE ALSO: <a href="https://www.businessinsider.in/stock-market/news/top-stocks-to-watch-tata-steel-vedanta-adani-green-tata-motors-maruti-mm-dhfl-v-mart-indian-bank-and-others/articleshow/80038635.cms">Top stocks to watch — Tata Steel, Vedanta, Adani Green, Tata Motors, Maruti, M&amp;M, DHFL, V-Mart, Indian Bank, and others</a> <a href="https://www.businessinsider.in/tech/mobile/news/checkout-the-list-of-upcoming-new-mobiles-in-january-2021-with-expected-price/articleshow/80039794.cms">Upcoming smartphones in India in January 2021</a> <a href="https://www.businessinsider.in/international/news/ten-of-the-most-outrageous-predictions-for-2021-according-to-saxo-bank/slidelist/80040045.cms">From Amazon buying Cyprus to Germany bailing out France — here are ten of the most ‘outrageous’ predictions for 2021</a> <a href="https://www.businessinsider.in/business/startups/news/india-edtech-in-charts-how-the-shi[%E2%80%A6]es-of-byjus-unacademy-and-others/articleshow/80040270.cms">India’s edtech in charts – How the shift to online learning meant money, valuation and users for the likes of BYJU’S, Unacademy, and others</a>

ISRO is working on green fuel to its reduce carbon footprint and cut down on costs

India is flexing its prowess of space technology by embarking on an unprecedented and un-chartered 'stratospheric diplomacy' through a special Rs 450 crore gift for south Asians, according to PTI. India is carving a very unique place in the universe, this week New Delhi will 'gift' a heavyweight bird in the sky to its neighbours through the '<keyword id="52011" type="CITY" weightage="20" keywordseo="South-Asia">South Asia</keyword> <keyword id="6358065" type="PERSON" weightage="20" keywordseo="Satellite">Satellite</keyword>'. The country is opening its heart out to its neighbours, explains <keyword id="193522" type="ORGANIZATION" weightage="20" keywordseo="External-Affairs-Ministry">External Affairs Ministry</keyword> spokesperson Gopal Baglay, adding "neighbourhood first is now being extended beyond the stratosphere". It seems this 'gift' of a communications satellite for use by neighbours at no cost has no parallels in the space- faring world, all other current regional consortia are commercial for-profit enterprises. Prashant Agarwal, an IIT Kanpur-trained engineer and the point-person in the Ministry of External Affairs piloting the project told the news agency, "Prime Minister <keyword id="6354642" type="PERSON" weightage="20" keywordseo="Modi">Modi</keyword> has actually extended his slogan '<keyword id="4476385" type="UNKNOWN" weightage="20" keywordseo="sab-ka-saath-sab-ka-vikas">Sab Ka Saath Sab Ka Vikas</keyword>' to India's neighbourhood essentially to service the needs of the poor in South Asia." On May 5, the skies above the island of <keyword id="6355143" type="CITY" weightage="20" keywordseo="Sriharikota">Sriharikota</keyword> on the coast of the Bay of Bengal will be lit up as the Geo-synchronous Satellite Launch Vehicle (GSLV) also called the 'naughty boy of <keyword id="6358064" type="ORGANIZATION" weightage="20" keywordseo="ISRO">ISRO</keyword>' on its 11th mission will carry a message of peace like never before. The nearly 50-m-tall rockthat weighs about 412 tons will carry what is now dubbed as the 'South Asia Satellite' or what the Indian Space Research Organisation (ISRO) still prefers to call GSAT-9. The 2230-kg satellite has been fabricated in three years and is purely a communications satellite costing Rs 235 crore.

India’s space diplomacy is making ripples all across the globe and this is the man to be thanked for

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ISRO is working on green fuel to its reduce carbon footprint and cut down on costs

IANS

India’s space diplomacy is making ripples all across the globe and this is the man to be thanked for

BI India Bureau

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