Nine-and-a-half-year-old Pratik G.K, who is attached to the Chennai-based Space Kidz India, was one of the around1,38,899 people from India who ‘departed’ for Mars at 4.36pm on Saturday on a Nasa mission called InSight (Interior Exploration Using Seismic Investigations, Geodesy and Heat Transport). AFP/Representational Image Pratik was among one of the thousands to be included …