A child observes the sun through a telescope during an event marking International Astronomy Day in a park in Bucharest, Romania, on May 7, 2022. (Photo by Cristian Cristel/Xinhua)
A child observes the sun through a telescope during an event marking International Astronomy Day in a park in Bucharest, Romania, on May 7, 2022. (Photo by Cristian Cristel/Xinhua)
People take part in an event marking International Astronomy Day in a park in Bucharest, Romania, on May 7, 2022. (Photo by Cristian Cristel/Xinhua)
A child poses for a photo during an event marking International Astronomy Day in a park in Bucharest, Romania, on May 7, 2022. (Photo by Cristian Cristel/Xinhua)
原文地址：http://en.people.cn/n3/2022/0508/c90000-10093698.html