Many of those stars in Milky Way Galaxy is small, dim Red dwarfs-Tars shorter than DAY to the same size and mass. TOI-6894, located far away from the ground, one of them.
Astronomers used to think a star that couldn’t have a lot of planets surrounding it, because its mass is about 20 percent of the materials without differentiating a giant body like woman or Jupiter.
But to observe toi-6894, an international research team found a clear transit signal – a temporary reduction in a light on a planet passing it. This newly found planet, named toi-6894b, blocks 17 percent of the star, which indicates the planet larger. The signal is taken with Satelite satellite to Exoplanet specialist (Tess), an observation instrument launched by corridor To hunt for planets with orbiting stars outside our solar system.
It makes TOI-6894 “The lowest mass mass learned to host such a planet,” said Edward Bryant at the University of Warwick, in a Press statement. Search appears to prompt the usual theory of how planets are formed. “This discovery can be a stone in the corner for understanding the most formation of the giant planet,” Bryant said.
Astronomers at University College London and University of Warwick, as part of a global collaboration of Chile colleagues monitored with about 91,000-data stars before discovering the Planet Toi-6894b. After that, the nature of the TOI-6894B is Clarified with additional observations made by other telescopes. According to this, the Radius of the TOI-6894B is slightly larger than Saturn’s, but its Mass is about half the giant giants. Its density is more light on 0.33 g / cm³, indicating that it is a growing gas planet.
TOI-6894 is about 40 percent less than the previous record for the least star with a planet with this size. This fact has a serious opposition to conventional theory to form the planet.
The widespread accepted model of planet formation, the “Theory of compiling core,“It is suggested that a rings dust and rocks known as protoplanetary disk-forms around a star. Nucleus for forming a giant gas planet does not grow.
Based on this theory, estimated over 120 times stronger object than the land required to form the TOI-6894B. However, the observed disk surrounding the Star Toi-6894 contains only 58 times the masses of the world mainly. It increases the possibility of an alternative planet-formation formation mechanism.
