Fil:Earth precession.svg

Opprinnelig fil ‎(SVG-fil, standardstørrelse 670 × 764 piksler, filstørrelse: 30 KB)

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Beskrivelse

BeskrivelseEarth precession.svg	Precession of Earth's rotational axis due to the tidal force raised on Earth by the gravity of the Moon and Sun.
Dato	5. mai 2008
Kilde	Vectorized by Mysid in Inkscape after a NASA Earth Observatory image in Milutin Milankovitch Precession.
Opphavsperson	NASA, Mysid

	This file is in the public domain in the United States because it was solely created by NASA. NASA copyright policy states that "NASA material is not protected by copyright unless noted". (See Template:PD-USGov, NASA copyright policy page or JPL Image Use Policy.)
	Warnings: Use of NASA logos, insignia and emblems is restricted per U.S. law 14 CFR 1221. The NASA website hosts a large number of images from the Soviet/Russian space agency, and other non-American space agencies. These are not necessarily in the public domain. Materials based on Hubble Space Telescope data may be copyrighted if they are not explicitly produced by the STScI.[1] See also {{PD-Hubble}} and {{Cc-Hubble}}. The SOHO (ESA & NASA) joint project implies that all materials created by its probe are copyrighted and require permission for commercial non-educational use. [2] Images featured on the Astronomy Picture of the Day (APOD) web site may be copyrighted. [3] The National Space Science Data Center (NSSDC) site has been known to host copyrighted content. Its photo gallery FAQ states that all of the images in the photo gallery are in the public domain "Unless otherwise noted."

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	Dato/klokkeslett	Dimensjoner	Bruker	Kommentar
nåværende	29. jun. 2010 kl. 17:18	670 × 764 (30 KB)	Antonsusi	...
	28. jun. 2010 kl. 21:12	670 × 764 (30 KB)	Antonsusi	Adjustings, valid code
	15. jan. 2010 kl. 04:05	670 × 764 (64 KB)	LtPowers	Reverted to version as of 22:01, 4 May 2008
	15. jan. 2010 kl. 02:43	670 × 764 (64 KB)	Joe Kress	Reverted to version as of 22:01, 4 May 2008
	2. aug. 2009 kl. 10:43	670 × 764 (44 KB)	Mysid	precession movement is CCW, not clockwise
	5. mai 2008 kl. 00:01	670 × 764 (64 KB)	Mysid	==Description== {{Information \|Description=Precession of rotational axis relative to the direction to the Sun at perihelion and aphelion. This changes the time of the year at which perihelion and aphelion occur. \|Source=Vectorized by [[w:User:Mysid\|Mysid]