When the U.S. military shot down three unidentified flying objects in February, many began speculating that extraterrestrial visitors had arrived. The idea of an alien landing has long captivated people, and some believe the time is near, if it hasn’t happened already. This graph shows the percentage of people in selected nations who think it’s likely that aliens will visit Earth in 2023, according to a recent survey of 36 countries. Why might people in some places be more open to the idea than others?