[NASA discovers new crater on the moon once in a century] September 17th, NASA announced on September 16th that when comparing images of the lunar surface, the NASA Lunar Reconnaissance Orbiter team confirmed the discovery of the largest newly formed impact crater ever observed. The relevant results have been published in "Science Advances". NASA said this phenomenon is extremely rare and "occurs only once in about a century or more." NASA said the discovery demonstrates the value of Lunar Orbiter data in studying this dynamic body. With the advancement of the manned permanent program and the expansion of scientific research and commercial activities on the lunar surface, the importance of such long-term observation records is increasing day by day.