* 51 Pegasi: This star, located about 50 light-years away in the constellation Pegasus, was the first star discovered to have an exoplanet orbiting it. The planet, 51 Pegasi b, is a "hot Jupiter" - a gas giant similar in size to Jupiter but orbiting extremely close to its star, resulting in a very hot temperature.
* Kepler-186: This red dwarf star, about 490 light-years away in the constellation Cygnus, is notable for hosting Kepler-186f, the first Earth-sized planet discovered in the habitable zone of another star. This means the planet is located at a distance from its star where liquid water could potentially exist on its surface.
* TRAPPIST-1: This ultra-cool dwarf star, about 40 light-years away in the constellation Aquarius, is home to a remarkable system of seven Earth-sized planets, three of which are located in the habitable zone. The discovery of this system was a major milestone in exoplanet research, as it suggests that planets similar in size to Earth are common around other stars.
These are just a few examples of the many stars that have been found to host exoplanets. As our technology continues to improve, we are discovering more and more of these distant worlds, providing valuable insights into the diversity and evolution of planetary systems beyond our own.