In another method, astronomers watch for small dips in the amount of light from a star as a planet passes in front of it. (keckobservatory.org)
Many astronomical bodies such as planets, stars, and — in principle — black holes have magnetic fields. (sciencemag.org)
Full planetary systems with up to 7 planets have been found as well as planets in binary stars systems, making science fiction become a reality. (munich-iapp.de)