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how is the studies about mars sent by mangalyaan helpful for us as well as for our country
Relevance of Mangalyaan in the Martian atmosphere

India is the third country for the successful Mars mission. ISRO scientists are hoping to determine the quantities of water in Martian atmosphere that will help scientists around the world understand the history of Mars and how much water has been lost to Martian atmosphere in the past. The mission will also be to determine quantities of methane in the atmosphere, another key element for life.Five solar-powered instruments aboard Mangalyaan will gather data to help determine how Martian weather systems work and what happened to the water that is believed to have once existed on Mars in large quantities

What are the benefits of having such a space program for a developing country like India?
 
The first is along the lines that the more nations participating in the peaceful exploration of space the more we will accomplish through joint efforts.
The second is more relevant to India's ability to enhance its development for the benefit of its own people. Having a robust well-thought-out space program that combines scientific exploration with space utilization - including telecommunications, weather monitoring, navigation - is of huge benefit in that it serves to provide a 21st century infrastructure to stimulate economic growth, drive education in technical disciplines, and provide dedicated resources and services that will aid the improvement and security of the country.

Scientific side
On the scientific side, MOM(Mars Orbiter mission) is a relatively modest mission, providing some imaging and spectroscopic observations of the Martian surface and some dynamics and composition studies of the atmosphere.


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