Discover planetary system like solar system

On May 18, by observing with a telescope (HARPS) located in La Xinla (Chile), for the first time a group of European scientists discovered a planetary system like our own solar system. most ever.

This planetary system consists of a star symbol HD 69830 with 3 orbiting planets.

Picture 1 of Discover planetary system like solar system Star sign HD 69830 with 3 orbiting planets ( Source: Solstation)

The star HD 69830 is about the size of the Sun, is located 41 light-years from Earth, belonging to the constellation of the Great Boat and an apparent star sub-class of 5.95, so it can be observed with the naked eye.

After a period of research, the scientists discovered the presence of 3 co-rotating planets around the star HD 69830 with the time equivalent to 9 days; 32 days and 197 days.

Picture 2 of Discover planetary system like solar system 3 companion planets around the star HD 69830 ( Source: Solstation )

Since the rotational speed of these planets is only 2-3 meters per second (equivalent to pedestrian speed, about 9 km / h), these changes are difficult to detect with spectral telescopes. often.

Therefore, scientists called HARPS the "most accurate planetary hunting machine in the world".

According to research results, the planet is in the closest position to the star HD 69830, which is composed mainly of rock, the middle planet is made up of gas and rock, while the outer planet can be formed from ice, water and where life can be.

Picture 3 of Discover planetary system like solar system Picture 4 of Discover planetary system like solar system Source: Solstation