Fil:Ptolemaic elements.svg

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Fuld opløsning ‎(SVG fil, basisstørrelse 168 × 168 pixels, filstørrelse: 25 KB)

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Beskrivelse

A simple illustration showing the basic elements of Ptolemaic astronomy. It shows a planet rotating on an epicycle which is itself rotating around a deferent inside a crystalline sphere. The center of the system is marked with an X, and the earth is slightly off of the center. Opposite the earth is the equant point, which is what the planetary deferent would actually rotate around. Distances have been exaggerated as has the simplicity for the purposes of illustration.

Created by User:Fastfission in Adobe Illustrator.

Licensering

Dette værk er blevet udgivet som offentlig ejendom af dets skaber, Fastfission. Dette gælder i hele verden.

I nogle lande er dette ikke juridisk muligt. I så fald:
Fastfission giver enhver ret til at anvende dette værk til ethvert formål, uden nogen restriktioner, medmindre sådanne restriktioner er påkrævede ved lov.

If you want to credit someone, credit "Wikimedia Commons." Otherwise don't credit anyone, that's fine by me. --Fastfission 15:02, 14 April 2008 (UTC)

Filhistorik

Klik på en dato/tid for at se filen som den så ud på det tidspunkt.

	Dato/tid	Dimensioner	Bruger	Kommentar
nuværende	8. nov. 2009, 17:25	168 × 168 (25 KB)	Fastfission~commonswiki	update metadata
	31. dec. 2005, 18:23	168 × 168 (24 KB)	Fastfission~commonswiki	modify this a bit. remove the little arrows (not necessary, somewhat cheesy), and put the epicycle itself in its own little sphere
	30. dec. 2005, 21:42	153 × 153 (28 KB)	Fastfission~commonswiki
	30. dec. 2005, 21:38	153 × 153 (29 KB)	Fastfission~commonswiki	shift the elements around a little
	30. dec. 2005, 21:37	153 × 153 (29 KB)	Fastfission~commonswiki	A simple illustration showing the three basic elements of Ptolemaic geometry. It shows a planet rotating on an epicycle which is itself rotating around a deferrent inside a crystalline sphere. The center of the system is marked with an X, and the earth is