ExoSystem Kepler90; Kinda Like Us
The Kepler-90 system is a planetary system located approximately 2,545 light-years away from Earth in the constellation Draco. It was discovered by NASA's Kepler spacecraft in 2013 and has been the subject of intense study ever since.
The system consists of a Sun-like star, Kepler-90, and at least eight planets orbiting around it. The star is about 1.2 times the size of the Sun and has a surface temperature of about 5,700 degrees Celsius (10,292 degrees Fahrenheit). The eight known planets in the Kepler-90 system have been named Kepler-90b to Kepler-90i, with the letter "b" representing the planet closest to the star and "i" representing the farthest.
The most notable feature of the Kepler-90 system is the discovery of Kepler-90i, which was the eighth planet discovered and is the outermost planet in the system. It was discovered using data from the Kepler spacecraft, which detected a dip in the star's brightness as the planet passed in front of it. Kepler-90i is about 1.3 times the size of Earth and has an orbital period of 210 Earth days.
The Kepler-90 system has been studied in detail using data from the Kepler spacecraft, as well as ground-based telescopes. The study of this system has helped to improve our understanding of the formation and evolution of planetary systems and the potential for habitable planets beyond our solar system.
In December 2017, researchers used machine learning to analyze data from the Kepler spacecraft and discovered a new planet, Kepler-90j, in the Kepler-90 system. This discovery brought the total number of planets in the system to eight, tying it with the TRAPPIST-1 system for the most planets orbiting a single star discovered at the time.
Overall, the Kepler-90 system is a fascinating area of study for astronomers and provides valuable insights into the diversity of planetary systems in the universe. The discovery of Kepler-90i and Kepler-90j have expanded our understanding of the potential for habitable planets beyond our solar system and have opened up new avenues for research in exoplanet exploration.