From super-Earths to brown dwarfs: Who’s Who?

The year 2015 marks the 20th anniversary of the discovery of 51 Peg b, the first confirmed exoplanet around a Sun-like star. This detection has triggered extraordinary development in exoplanet research all around the world, through various observational techniques such as radial velocity variations, transit, microlensing, direct imaging and astrometry.

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