planetary Planet searches in 2010 found planets around planet 7924 . Planets orbit the star at a distance closer than Earth orbits the sun . Scientists suggest visiting the planets for alien life could be beneficial . ' It 's like owning a driverless car that goes planet shopping ' they said .
Automated Planet Finder in California found planets around HD 7924 . Planets orbit the star at a distance closer than Mercury orbits the sun . Scientists say automating the search for alien life could be beneficial . 'It 's like owning a driverless car that goes planet shopping ' they said .