Answer & Explanation
Option: Both A & B
Explanation:
Astronomers running the world’s largest initiative to look for alien life have recently picked up an “intriguing” radio wave emission from the direction of Proxima Centauri, the closest star to our Sun. The news has sparked renewed interest in Proxima Centauri, one of whose planets is believed to revolve in the star’s habitable zone, giving rise to the possibility that it could have, or does, sustain life. Proxima Centauri is 4.2 light-years away from the Sun – considered a close distance in cosmic terms.
