Scientific researchers prepare to weigh the moon samples retrieved by the Chang'e-5 probe in Beijing, capital of China, Dec. 17, 2020. China's Chang'e-5 probe retrieved about 1,731 grams of samples from the moon, according to the China National Space Administration. Scientists will carry out the storage, analysis, and research of the country's first samples collected from the extraterrestrial object. (Xinhua/Jin Liwang)
