Watch: The search for another Earth!
51 Pegasi b was the first planet to be discovered orbiting a main-sequence star, the Sun-like 51 Pegasi.
Nov 08, 2015, 12:52 PM IST20 years ago astronomers discovered the first planet outside our solar system
51 Pegasi b was the first planet spotted around a “normal” star like our Sun.
Oct 08, 2015, 18:42 PM IST