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 IST
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 IST