A calendar based on the moon phases is one of the oldest timekeeping innovations invented by humans. It can be used for religious and cultural practices as well as everyday life. It divides the changing appearance of the moon over time into eight principal and intermediate phases. These phases occur at specific times and are […]
The Moon changes shape each night as it moves through its 29.5 day orbit around Earth. These changes are called phases, and they can be confusing for some people to figure out. Here’s a handy mnemonic that can help you remember the order of the phases. Try it out on your next Moon Phases quiz!