Image:Lunar libration with phase Oct 2007.gif

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Summary

Description
English: Lunar libration. see below for more descriptions
Français : Librations de la lune. Voir une description détaillée en dessous.
Source

English Wikipedia, original upload 5 November 2007 by Tomruen

Date

2007-11-5 (published on Commons)

Author

Tomruen

Permission
( Reusing this image)

see below

Other versions Image:Lunation animation April 2007.gif (April 2007 animation, 60 frames, no phase shown)
Image:Lunar libration with phase2.gif (Nov 2005 animation)

Licensing

Public domain
I, the copyright holder of this work, hereby release it into the public domain. This applies worldwide.

In case this is not legally possible:
I grant anyone the right to use this work for any purpose, without any conditions, unless such conditions are required by law.


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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 centre 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.)

File history

Click on a date/time to view the file as it appeared at that time.

Date/Time Dimensions User Comment
current 01:03, 6 November 2007 640×642 (9.64 MB) Tomruen (== Summary == {{Information | Description = {{en|Lunar libration. ''see below for more descriptions''}} {{fr| Librations de la lune. ''Voir une description détaillée en dessous''.}} | Source = E)
The following pages on Schools Wikipedia link to this image (list may be incomplete):
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