Nearest Rocky Planet Outside Solar System Discovered

Astronomers have confirmed the discovery of the nearest rocky planet outside the solar system. The larger than Earth exoplanet, which is considered a potential gold mine of science data, was discovered using NASA’s Spitzer Space Telescope. The exoplanet, named HD 219134b, is 21 light-years away from sun, and orbits too close to its star to sustain life. While the planet itself can’t be seen direc