BENGALURU: Early on Friday, scientists from the Isro Telemetry, Tracking and Command Network (Istrac) implemented the fourth Earth-bound manoeuvre of Aditya-L1, India’s first solar space observatory mission, that was launched on September 2. Today's manoeuvre happened at 2.15am.The spacecraft is now in an orbit of 256km x 1,21,973km, Isro said, adding that its ground stations in Mauritius, Bengaluru, Sriharikota and Port Blair tracked the satellite during this operation, while a transportable terminal currently stationed in the Fiji islands for Aditya-L1 will support post-burn operations.A day ahead of the...