Astronomers searching for the twin of the Sun, writes "Komsomolskaya Pravda". On suspicion about 3 thousand stars. Somewhere in this placer is Nemesis, or as it is called, "death star." Every 20-30 million years, it is suitable to the minimum distance to the Earth and the "pull" from the distant orbits of large asteroids. They crash into the earth, destroying its inhabitants. So it was with the dinosaurs 65 million years ago and 30 million years ago on Earth died out many mammals. Now comes the next visit nemesis. Nemesis scientists are interested not only as a potential threat to Earth, but also as a star, next to which are located planets where life is possible. According to astronomers, Nemesis is able to create the conditions for life in terms of temperature and light.