The first picture of two giant exoplanets
Background The first evidence of the existence of exoplanet started back in 1917. After that time, there have been numerous observations and claims regarding the discoveries of many exoplanets. As of $1^{st}$ July 2020: 4,281 exoplanets in 3,163 systems are confirmed. Among them, there are more than one planets in 701 systems, according to Wikipedia. …