In a first, an unplanned collision has occurred of a bit of space debris with the moon. The debris is thought to be the third stage of China’s Long March 3C rocket that sent a spacecraft around the moon in 2014. ThePrint’s Sandhya Ramesh explains how the debris was identified and the collision tracked. Subscribe to the Pure Science Telegram Channel https://t.me/PureScienceWithSandhyaRamesh Supplementary reading: Space Debris Cleanup Hack: Using the Gravity of the Moon https://www.agi.com/blog/2022/02/space-debris-cleanup-hack-using-the-gravity-of-the UArizona students confirm errant rocket's Chinese origin, track lunar collision course https://news.arizona.edu/story/uarizona-students-confirm-errant-rockets-chinese-origin-track-lunar-collision-course Project Pluto https://www.projectpluto.com/temp/dscovr.htm