How Chandrayaan-1 is raised to higher orbits

Chandrayaan-1 could have been fired to reach the moon, which is about 3,84,000 km from earth, in one shot. But that was not done. Instead the spacecraft is being moved towards the moon in increasingly elliptical orbits with an apogee (farthest point from the earth) increasing many times more than the perigee. “We could have … Continue reading How Chandrayaan-1 is raised to higher orbits


ASTROSAT, India’s unique space observatory

Published in The Hindu on September 27, 2015 The launch of Indian Space Research Organisation’s (ISRO) ASTROSAT telescope today (September 28) will be a shot in the arm for astronomers, particularly those in India. This is the first time India is launching a space observatory. But that is not the only reason why the ASTROSAT … Continue reading ASTROSAT, India’s unique space observatory