Hawking, warn against reaching out to aliens because they could harm us, Kaltenegger said that ship has

Scientists from Cornell University in New York and the American Natural History Museum have unveiled today( June 23) more than 2, 000 nearby star systems close enough for aliens to watch our planet.... The star systems all sit within 326 light-years of our planet-a distance small enough for our Earth to enter their field of view when transitting the Sun....