Discover the 5 planets need more than 15 years of circling the star.

Geneva University scientists team discovered five planets outside our solar system, orbiting a star about lasting ground 15 years or more.

And helped scientists discover planets telescope ' EU LE ' ad hock European above all to study planets outside the solar system, according to Russia today website.

EU LE ' telescope ' can determine the speed of rotation of the planets accurately a few meters per second. You can discover a planet with a mass similar to Neptune's mass. She said, Emilia Rick man, the scientist involved in the study, the 5 planets recently discovered orbiting time ranges around the star between 15.6 and 40.4 in my land. Either it's mass, it increases by 3 times and 27 times the mass of Jupiter.

As a result of this discovery, the number of planets discovered that increase its 15 to 26 planets.

Website of the University of Geneva and astronomy know now over 4000 planets, asteroids are mostly huge space close to their parent stars.