British scientists spearhead a global "Moon watch." Observers anywhere in the world are able to log onto a Web site and report when they see the moon. The acientists hope the information will help refine the Lunar Calendar and also help establish the start of some religious festivals.
Guest:
Catherine Hohenkerk, mathematician and a member of the HM Nautical Almanac Office
Copyright 2022 NPR. To see more, visit https://www.npr.org.