Phases Moon Earth Planets Solar System

Phases Moon Earth Planets Solar System

This category is for sites featuring astronomical information about the Moon's phases and their observation, as well as charts or programs for calculating the phase of the Moon.

Top: Science: Astronomy: Solar System: Planets: Earth: Moon: Phases

Editor's Picks:

The Moon: It's Just a Phase It's Going Through

- The Astronomical Society of the Pacific's detailed explanations of the Moon's phases, including positions of the Moon in southern and northern hemispheres during its different phases and the times of day each phase is visible.

Sky & Telescope: Greek Marathon Dated from Phase of Moon - Describes how astronomers used phase of Moon calculations and ancient Greek religious festivals to date the original Marathon run.
Phases of the Moon Exercise - Shows the Moon in eight positions around the Earth to shade in the dark area and the unobservable side.
How long does each phase of the Moon last? - NASA's Dr. Marc of The Space Place answers questions about Moon phases and the lunar month. Includes GIF animation of the Moon going through its phases.
Astronomical calendar - On-line calculator for Moon/Sun Rise/Set, moon phase, sidereal time and Julian day.
Phase of Moon - Displays the phase of the Moon in a browser window, with times of last and next Full Moon and New Moon.
StarChild Moonlight Madness - NASA's Star Child site page that describes the phases of the Moon. Ends with a test to identify the eight Moon phases and their order.
Xphoon - Xphoon sets the X-Windows root window image to a picture of the Moon in its current phase.
Moon Phases - Information and Perl script to calculate moon phases including phase illumination age distances angular diameter new/full moon calculation
Correct Time and Moon Phase - From the atomic clock at the United States Naval Observatory.
The Space Place Images of Earth's Moon for the Classroom - NASA Moon images with captions showing different phases, suitable for printing and classroom display.
Phase of Moon GIF - A 100 by 100 pixel GIF image of the current Moon phase on a black background, from the United States Naval Observatory. Accessible as a URL for embedding in web pages.
Phases of the Moon and Percent of the Moon Illuminated - Pictures, animations, and brief comments.
Sky & Telescope: Dating van Gogh's Moonrise - Article identifying the exact date and time of van Gogh's Moonrise painting, based on Moon phase calculations.
Virtual Reality Moon Phase - The United States Naval Observatory (USNO) Moon phase display for the years 1800 through 2199.
Moonstick Information Site - Describes a slide rule Moon phase calendar accurate over 8000 years into the past or future, and provides other methods of computing astronomical information.
The UnMuseum's Ponzo and the Moon - Explains why the Ponzo Illusion makes the Moon appear larger when near the horizon.
Moon Phases 5000 Year Catalog - NASA Goddard Spaceflight Center (GSFC) Five Millennia Catalog of the phases of the Moon.

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