File:Apparent retrograde motion.gif

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Apparent_retrograde_motion.gif ‎(512 × 256 pixels, file size: 82 KB, MIME type: image/gif, looped, 120 frames, 12 s)

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English: Illustration of the apparent retrograde motion of Mars. The apparent retrograde motion is an artifact of mapping the motions of the objects of the solar system in a coordinate system that is itself in accelerated motion.

The yellow dot can be thought of as representing the Sun, the blue dot can be thought of as representing Earth, and the red dot can be thought of as representing Mars.

In order to make the animation cycle smoothly, the blue dot completes two orbits for every complete orbit of the red dot. In the case of the actual planets, the ratio of orbit times is not 1:2.
Bahasa Indonesia: Ilustrasi gerakan mundur Mars. Gerakan retrograde semu adalah artefak pemetaan gerakan benda-benda tata surya dalam sistem koordinat yang ada di dalamnya.

Titik kuning dapat dianggap mewakili Matahari, titik biru dapat dianggap mewakili Bumi, dan titik merah dapat dianggap mewakili Mars.

Untuk membuat siklus animasi lancar, titik biru menyelesaikan dua orbit untuk setiap orbit lengkap titik merah. Dalam kasus planet yang sebenarnya, rasio waktu orbitnya tidak 1:2.
עברית: אנימציה המתארת את המודל הגאוצנטרי והמודל ההליוצנטרי של מערכת השמש. שימו לב ל"לולאה" הלא מוסברת של מאדים ע"פ המודל הגאוצנטרי
Sunda: Ilustrasi usikan mundur Mars. Usikan retrograde semu mangrupa artéfak pametaan usikan objék-objék surya mandala dina sistim koordinat anu aya di jerona.

Titik konéng bisa dianggap ngawakilan Panonpoé, titik biru bisa dianggap ngawakilan Marcapada, jeung titik beureum bisa dianggap ngawakilan Mars.

Pikeun nyieun siklus animasi lancar, titik biru nyalsékeun dua orbit pikeun unggal orbit lengkep titik beureum. Dina kasus planét anu senyaanna, rasio wanci orbitna henteu 1:2.
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Source http://en.wikipedia.org/wiki/File:Apparent_retrograde_motion.gif
Author user:cleonis in the english wikipedia

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Date/TimeThumbnailDimensionsUserComment
current03:48, 26 November 2011Thumbnail for version as of 03:48, 26 November 2011512 × 256 (82 KB)OgreBot (talk | contribs)(BOT): Reverting to most recent version before archival
03:48, 26 November 2011Thumbnail for version as of 03:48, 26 November 2011410 × 260 (136 KB)OgreBot (talk | contribs)(BOT): Uploading old version of file from en.wikipedia; originally uploaded on 2006-01-14 11:33:56 by Cleonis
20:34, 5 November 2011Thumbnail for version as of 20:34, 5 November 2011512 × 256 (82 KB)בלנק (talk | contribs)

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