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File:Lunation animation November 2009.gif

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Lunation_animation_November_2009.gif (480 × 438 pixels, dimension del file: 4,86 MB, typo MIME: image/gif, repetente, 59 photogrammas, 3,0 s)

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Summario

Description Lunar libration. see below for more descriptions
Data (published on Commons)
Origine Obra proprie [1]
Autor Tomruen
Altere versiones File:Lunar libration with phase Oct 2007.gif similar, Image:Lunation animation April 2007.gif (April 2007 animation, 60 frames, no phase shown)
Image:Lunar libration with phase2.gif (Nov 2005 animation)
Media of the day This file was selected as the media of the day for 11 April 2015. It was captioned as follows:
English: Lunar libration
Other languages
Čeština: Měsíční librace.
English: Lunar libration
Русский: Либрация Луны.
中文（简体）：月球天平动

Licentia

Public domain Io, titular del derecto de autor sur iste obra, libera iste obra al dominio public. Isto vale in tote le mundo.
In alcun paises isto pote non esser legalmente possibile. In tal caso:
Io concede a omnes le derecto de usar iste obra pro non importa qual fin, sin conditiones, a minus que tal conditiones sia requirite per lege.

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:

  • 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.)

Legendas

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1 decembre 2009

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Data/HoraMiniaturaDimensionesUsatorCommento
actual05:29, 2 decembre 2009Miniatura pro le version de 05:29, 2 decembre 2009480 × 438 (4,86 MB)Tomruen{{Information |Description={{en|1=== {{int:filedesc}} == {{Information | Description = {{en|Lunar libration. ''see below for more descriptions''}} {{fr|Librations de la lune. ''Voir une descriptio

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