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December 19, 2015 08:00 pm
Original Link: http://rss.slashdot.org/~r/Slashdot/slashdot/~3/7scaD-DrAzo/isro-launches-six-singaporean-satellites
ISRO Launches Six Singaporean Satellites
vasanth writes: The Indian Space Research Organization (ISRO) successfully launched six Singapore satellites on Wednesday. The agency also tested the fourth stage of its PSLV rocket, a four stage/engine rocket powered by solid and liquid fuel, alternatively. The test to restart the fourth stage of the PSLV rocket will help India in its future launches while attempting to launch multiple satellites in different orbits. Restarting a rocket engine soon after being shut off is a critical technology that must be mastered. Once a rocket engine is activated, a great deal of heat is generated. The trick is to cool it down in space and restart it after a short pause. India has now launched a total of 57 foreign satellites for 20 countries, and Wednesday's launch earned the country 26 million euros. TeLEOS-1 is Singapore's first commercial earth observation satellite. It was launched into a low Earth orbit for "remote sensing" applications. The satellite was put into a 550-km-high, circular orbit inclined at 15 degrees to the equator. The next three satellite launches using the Indian PSLV rocket will be navigation satellites.Read more of this story at Slashdot.
Original Link: http://rss.slashdot.org/~r/Slashdot/slashdot/~3/7scaD-DrAzo/isro-launches-six-singaporean-satellites
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