22.What is ‘Proxima d’, which was seen in the news recently? [A] New Vaccine [B] New Exo-Planet [C] New Star [D] New Mineral Show Answer
Called Proxima Centauri d, the newly spotted world is probably smaller than Earth, and could have oceans of liquid water. “It's showing that the nearest star probably has a very rich planetary system,” says astronomer Guillem Anglada-Escudé, who led the team that, in 2016, discovered the first planet orbiting the star.