对于绝大多数人来说,这是个一生一次的事件。下一次金星凌日的时间会是 2117 和2125年。 In this composite image provided by NASA, the SDO satellite captures the path sequence of the transit of Venus across the face of the sun at on June 5-6 as seen from space. The last transit was in 2004 and the next pair of events will not happen again until the year 2117 and 2125. (NASA via Getty Images) A plane flies under a thin layer cloud crossing the sun as Venus moves past the sun are seen through a coelostat at the Griffith Observatory in Los Angeles on June 5. (Gene Blevins/Reuters) Planet Venus, pictured as a black dot, is seen in transit across the Sun in New Delhi, India on June 6. Sky-gazers around the world held up their telescopes and viewing glasses to watch a once-in-a-lifetime event as Venus slid across the sun. (Manan Vatsyayana/AFP/Getty Images) The planet Venus is seen in transit across the Sun during sunrise in Sofia, Bulgaria on June 6. (Nikolay Doychinov/AFP/Getty Images) A bird sits atop one of the domes of the landmark Taj Mahal as Venus begins to pass in front of the sun, as visible from Agra, India on June 6. People around the world turned their attention to the daytime sky on Tuesday and early Wednesday in Asia to make sure they caught the rare sight of the transit of Venus. (Kevin Frayer/Associated Press) Venus is silhouetted as it crosses in front of the sun as it sets behind the Kansas City, Mo. skyline on June 5. From the U.S. to South Korea, people around the world turned their attention to the daytime sky on Tuesday and early Wednesday in Asia to make sure they caught the once-in-a-lifetime sight of the transit of Venus, which won't be seen for another 105 years. (Charlie Riedel/Assocaited Press)