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Showing posts from September, 2019

Mangalyaan: 2.6 Martian Years and 5 Earth Years around the Red Planet

5 years ago, the Indian Space Research Organisation's Mangalyaan entered the Martian orbit, thus making India: the first country to achieve this feat in the first attempt. Mars Orbiter Mission (fondly known as MOM) was India's first interplanetary mission. With government approval in August 2012, launch in November 2013 and Mars Orbiter Insertion (MOI) in September 2014; the mission was completed in record time. To achieve this feat, ISRO overcame a number of challenges. The Launch PSLV C-25 Lift Off: Courtesy ISRO The MOM spacecraft was launched onboard PSLV C-25 on 5th November 2013. PSLV is the workhorse of ISRO hence it was chosen to launch the spacecraft. This meant placing the vehicle in an orbit around Earth and then subsequently increasing the apogee (highest point of the orbit) in various manoeuvres followed by Trans Mars Injection which placed the Mangalyaan on a 300-day journey to Mars. To achieve the required parameters for Trans Mars Injection the