THE PRIEST

The planet, Kepler 22-b, discovered recently lies about 600 light-years away and is 2.4 times the size of Earth, and has a temperature of about 22 degree Celsius. It is the closest confirmed planet yet to one like ours, an “Earth 2.0”

High Accuracy Radial velocity Planet Searcher(HARPS) is designed as an echelle spectrograph , installed on European Southern Observatory's (ESO's) 3.6m telescope at LA Silla observatory in Chile. It measures radial velocity of planets with highest degree of accuracy currently available .