Astronomers have found more than 6,000 exoplanets. Thousands of millions could be out there
For 30 years, astronomers in the world have sought in the exoplanets cosmos. Recently we arrive at a milestone now that more than 6,000 have been found. In our solar system, Earth is one of the eight planets, nine if you really want to tell Pluto, and the only remotely hospitable for life. But look…