Datoteka:Lunar libration with phase Oct 2007 (continuous loop).gif
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| Opis | |
| Datum | (UTC) |
| Izvor | |
| Autor | Tomruen |
| Ostale inačice |
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Ovo djelo je u javno vlasništvo izdao autor: Tomruen. To vrijedi za cijeli svijet. U nekim državama to nije pravno moguće; ako je tako: |
{original upload log}
This image is a derivative work of the following images:
- File:Lunar_libration_with_phase_Oct_2007.gif licensed with PD-self
- 2007-11-06T01:03:49Z Tomruen 640x642 (10111965 Bytes) 'Summary == Information | Description = {en|[Moon|Lunar][en:libration..for more descriptions'
[:fr:Libration|[:fr:lune|lune]. description'
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:
- 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 less frames compared to the original to make the loop continuous (jumpiness when restarting).
Povijest datoteke
Kliknite na datum/vrijeme kako biste vidjeli datoteku kakva je tada bila.
| Datum/Vrijeme | Minijatura | Dimenzije | Suradnik | Komentar | |
|---|---|---|---|---|---|
| sadašnja | 17:59, 18. listopada 2020. | | 640 × 642 (9,64 MB) | Jahobr | the limit is no longer at 12.2 MPixel. better version, but less frames compared to the original to keep the continuous loop |
Poveznice
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