CALIFORNIA - Astronomers have found three alien planets reveal (exoplanet) orbiting new three different stars in a cluster or a cluster of stars. One of these stars dubbed as 'solar twins' which is almost similar to the sun in the solar system.This finding revealed by researchers at the European Southern Observatory (ESO) on January 15, 2014. Reported Examiner, Friday (01/17/2014), the researchers relied on the help of an instrument or a tool called HARPS to search for new planets.
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HARPS instrument to find this planet was placed on ESO telescope with a length of 3.6 meters at the La Silla Observatory, Chile. Alien planet is located in a star cluster Messier 67, which is 2,500 light-years away in the constellation Cancer.
Star cluster Messier 67 has 500 star reportedly recorded by investigators. According to Luca Pasquini from ESO in Germany, these findings suggest that planets in open star cluster has similarities to a planet in the constellation of isolated or closed.
"However, these planets are not easily detected. We continue to observe this group to find out how stars with planets or planets have differences without mass and chemical makeup," said Luca.
Two of these different stars are similar to the sun, while the third star is a type of 'red giant' (red giant). Third alien planet has a size larger than the Earth, in which two of the three newly discovered planet has a mass one-third the mass of Jupiter.
While orbiting planets 'red giant' has a greater mass than Jupiter. Both the planet orbits its star within seven and five days. While the larger alien planets in orbit for 122 days.
Researchers have determined, none of the three new planet is in the habitable zone. These planets orbiting close to their star, which is predicted to have a temperature hotter than the Earth.
(Ahl)
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