phases

    Top: Science: Astronomy: Solar_System: Earth: Moon: Phases:

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• - NASA Moon images with captions showing different phases, suitable for printing and classroom display.
  
• - Article identifying the exact date and time of van Gogh's Moonrise painting, based on Moon phase calculations.
  
• - 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.
  
• - From the atomic clock at the United States Naval Observatory.
  
• - Twenty-five questions about the Moon's phases and rotation with an answer key, geared to fifth-graders.
  
• - 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.
  
• - Xphoon sets the X-Windows root window image to a picture of the Moon in its current phase.
  
• - Pictures, animations, and brief comments.
  
• - Describes a slide rule Moon phase calendar accurate over 8000 years into the past or future, and provides other methods of computing astronomical information.
  
• - Information and Perl script to calculate moon phases including phase illumination age distances angular diameter new/full moon calculation
  
• - NASA Goddard Spaceflight Center (GSFC) Five Millennia Catalog of the phases of the Moon.
  
• - Displays the phase of the Moon in a browser window, with times of last and next Full Moon and New Moon.
  
• - Shows the Moon in eight positions around the Earth to shade in the dark area and the unobservable side.
  
• - Explains why the Ponzo Illusion makes the Moon appear larger when near the horizon.
  
• - The United States Naval Observatory (USNO) Moon phase display for the years 1800 through 2199.
  
• - Mechanical watch that displays the phase of the Moon, accurate to one day in 1000 years.
  
• - 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.
  
• - Describes how astronomers used phase of Moon calculations and ancient Greek religous festivals to date the original Marathon run.