Hi sir, I'm the student of 12th P.C.M. I'm very much intrested in astronomy and want to join NASA. I know for joining NASA we hav 2 qualify IIST exam. How we have 2 prepare for IIST..? On wat the sylabus of IIST is based..? Wat is the process of registration & admission of IIST..? Is there any shortcut to join NASA directly after 12th..? Plz... Plz... Reply fast. I'm eagerly waiting 4 ur reply..Contact on:-rushalibhagat@rediffmail.com