Lunar phases Phases of the Moon as it orbits Earth, showing the angle formed by the position of the Moon with respect to the Sun at each phase. (more) What Are the Phases of the Moon? Ask the Chatbot a Question More Actions Share Share Share to social media Facebook X URL https://www.britannica.com/science/What-Are-the-Phases-of-the-Moon Feedback Corrections? Updates? Omissions? Let us know if you have suggestions to improve this article (requires login). Feedback Type Select a type (Required) Factual Correction Spelling/Grammar Correction Link Correction Additional Information Other Your Feedback Submit Feedback Thank you for your feedback Our editors will review what you’ve submitted and determine whether to revise the article.

　　External Websites Ask the Chatbot a Question Written and fact-checked by The Editors of Encyclopaedia Britannica Encyclopaedia Britannica's editors oversee subject areas in which they have extensive knowledge, whether from years of experience gained by working on that content or via study for an advanced degree. They write new content and verify and edit content received from contributors. The Editors of Encyclopaedia Britannica Last Updated: Mar 4, 2025 • Article History Table of Contents Table of Contents Ask the Chatbot The Moon goes through a cycle of eight distinct phases as it orbits Earth, each offering a unique view of its illuminated surface. The cycle kicks off with the new moon, when the Moon is positioned between Earth and the Sun, leaving its illuminated side hidden from our view. As it moves along its orbit, a sliver of light appears, marking the waxing crescent phase. This is when the Moon starts to reveal itself, growing in visibility each night. As the Moon continues its journey, it reaches the first quarter phase, where half of its surface is illuminated and visible ...(100 of 253 words)

　　Access the full article Help support true facts by becoming a member. Subscribe today!