New Delhi, April 18 -- Professor Nikku Madhusudhan, one of the scientists who led the research on planet K2-18b, went viral on social media on Thursday after he spoke about the "revolutionary discovery" his team made on a planet that's about 124 light-years from Earth.

Who is Professor Nikku Madhusudhan and what "discovery" he made on K2-18b? Here's all you need to know:

Nikku Madhusudhan is a professor of Astrophysics and Exoplanetary Science at Cambridge University's Institute of Astronomy. He leads a "hycean team" at the university.

His research interests include "Exoplanets, Atmospheres, Interiors, Formation mechanisms, Habitability, Biosignatures, Hycean worlds."

According to his LinkedIn profile, Nikku Madhusudhan pursued PhD in...