MAKE A MEME View Large Image Lunar libration with phase Oct 2007 450px.gif s détaillée en dessous Lunar_libration_with_phase_Oct_2007 gif 2010-04-30 00 06 UTC Tomruen Tomruen détaillée</nowiki> Uploaded with derivativeFX Technical Book Astronomical Formulae for ...
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Keywords: Lunar libration with phase Oct 2007 450px.gif s détaillée en dessous Lunar_libration_with_phase_Oct_2007 gif 2010-04-30 00 06 UTC Tomruen Tomruen détaillée</nowiki> Uploaded with derivativeFX Technical Book Astronomical Formulae for Calculators 4th edition Jean Meeus 1988 published by Willmann-Bell Inc Chapter 30 Position of the Moon Source bitmap for projection from NRL's Clementine Spacecraft http //astrogeology usgs gov/Projects/Clementine/images/albedo simp750 jpeg USGS Global simple cylindrical projection at 10 km/pixel http //laps noaa gov/albers/sos/moon/moon_8k_color_brim16 jpg Animation 60 frames 12 hour step Period used 29 5 days Animation began and ended near Apogee to minimize jumping when cycles back to the start New moon given an unreal 1 intensity Ambient light to show motion in all phases View assumed from the center of the earth Geometrically impossible but best demonstration of monthly libration caused by moon's motion versus the shorter daily libration that would be included from the surface of the earth This version of the animation has been scaled down to 450×451 px to get it under the current MediaWiki size limit width×height×frames ‰¤ 12 5 Mpx for rescaling GIF animations Libration Moon animations Animated GIF
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