The Kepler-90 star system is considered a twin star system of the Solar System with the number of 8 planets orbiting the host star.
The Solar System has become a little less special after this NASA announcement. For we have always considered our Solar System special. There are two reasons that make it special. The first is Earth – the only planet known to man that can support life. And second, this is the star system – the planet with the most planets, with 8 planets revolving around the Sun.
According to the Independent , the Kepler-90 star system is confirmed to have a total of eight planets, which officially equals the number of planets rotating a star with our own solar system.
The planets of Kepler-90 and the Solar System (Image: NASA)
This discovery is possible because NASA has found a new planet. Named Kepler-90i, it is a hot “Cosmic rock”. It has a 14.4-day orbit around a “Sun-like” star called Kepler-90, located 2,545 light-years from Earth.
Another special feature that makes this announcement remarkable is that NASA found this planet by using Google’s machine learning system, analyzing data that the Kepler telescope collected during the space observation mission. mine. Specifically, this AI system can “self-learn” (machine learning – self-learning) and analyze the information in Kepler’s data system in the process of receiving signals from exoplanets and then confirm. signal of a new planet.
Kepler – 90 has the same number of planets as the Solar System but smaller orbits (Image: NASA)
Kepler-90i is quite impressive in size, about 30% larger than Earth. However, the planet’s surface is very hot – estimated at over 420 degrees Celsius, equivalent to Mercury in the solar system. Kepler-90’s farthest planet, Kepler-90h, is roughly the same distance as Earth from the Sun. Kepler-80g is also an Earth-sized planet. Together with the neighboring planets, they form a series of resonances, making the system stable, like the “solar system 2.0” TRAPPIST-1 found in February 2017.
NASA’s Kepler telescope (Image: nightsky.jpl.nasa.gov)
Over the course of four years, Kepler’s database has collected 35,000 signals that are “probably” a new planet. NASA and Google believe this new technology will help them find more extrasolar planets.