geostationary satellites

India's Geosynchronous Satellite Launch Vehicle (GSLV-F09) carrying GSAT-9 communications satellite blasts off from the Satish Dhawan space centre at Sriharikota, India May 5, 2017. Credit: Reuters/Stringer

ISRO to Launch Communication Satellite GSAT-31 on Wednesday

A Computer Scientist Who Keeps Our Satellites in Check