Earth was on the other side of the galaxy when dinosaurs reigned

Source: CNNFor the past decade,Christiansen has studied planet occurrence rates, or how often and whatkinds of planets occur in the galaxy, while studying data from exoplanethunters such as NASA’s Kepler, K2 and TESS missions.
During a stargazing party atthe California Institute of Technology, Christiansen was explaining howyoung the stars were that they observed. The skywatchers were looking atthe Pleiades, a bright young cluster of stars that are some of theyoungest in our sky.They&rsquo