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File:Terrestrial planet size comparisons.jpg

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描述
Deutsch: Diese Darstellung zeigt die ungefähren relativen Größen der erdähnlichen Planeten, von links nach rechts: Merkur, Venus, Erde und Mars. Die gezeigten Abstände sind hingegen nicht maßstabsgerecht. Ein erdähnlicher Planet ist ein Planet, der hauptsächlich aus Silikatgestein besteht. Solche Planeten unterscheiden sich wesentlich von Gasriesen. Letztere haben nicht unbedingt eine feste Oberfläche und bestehen hauptsächlich aus einer Mischung von Wasserstoff, Helium und Wasser in verschiedenen physikalischen Zuständen. Erdähnliche Planeten haben alle ungefähr dieselbe Struktur: einen metallenen Kern, größtenteils aus Eisen, darum ein Silikatmantel. Erdähnliche Planeten haben Schluchten, Krater, Berge, ggf. Vulkane und eine Atmosphäre.
English: This diagram shows the approximate relative sizes of the terrestrial planets, from left to right: Mercury, Venus, Earth and Mars. Distances are not to scale.

A terrestrial planet is a planet that is primarily composed of silicate rocks. The term is derived from the Latin word for Earth, "Terra", so an alternate definition would be that these are planets which are, in some notable fashion, "Earth-like". Terrestrial planets are substantially different from gas giants, which might not have solid surfaces and are composed mostly of some combination of hydrogen, helium, and water existing in various physical states. Terrestrial planets all have roughly the same structure: a central metallic core, mostly iron, with a surrounding silicate mantle. Terrestrial planets have canyons, craters, mountains, volcanoes and secondary atmospheres.

Français : Les planètes telluriques, de gauche à droite : Mercure, Vénus, Terre, et Mars.
Italiano: Questo diagramma mostra approssimativamente le dimensioni relative dei pianeti terrestri, da sinistra a destra: Mercurio, Venere, Terra e Marte. Le distanze non sono in scala. Un pianeta terrestre è un pianeta composto per lo più di roccia e metalli. Il termine deriva direttamente dal nome del nostro pianeta (anche in latino), "Terra", quindi una definizione alternativa sarebbe che questi pianeti sonoin qualche modo simili alla Terra. I pianeti terrestri sono sostanzialmente diversi dai giganti gassosi, che potrebbero non avere una superficie solida e sono composti soprattutto di qualche combinazione di idrogeno, elio e acqua presenti in vari stati fisici. I pianeti terrestri hanno tutti più o meno la stessa struttura: un nucleo metallico, soprattutto ferroso, circondato da un mantello di silicato. I pianeti terrestri hanno canyon, crateri, montagne, vulcani e atmosfere secondarie.
Русский: Планеты земной группы, слева направо: Меркурий, Венера, Земля, Марс.
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http://solarsystem.nasa.gov/multimedia/gallery/terr_sizes.jpg

Uploaded to commons from the english wikipedia; description page was here

  • 19:27, 20 March 2006 Brian0918 1500x653 (499,869 bytes)

Also previously uploaded as Image:Terr sizes.jpg

  • 17:34, 24 June 2005 RHorning 1,500×653 488 KB Comparison of sizes of the terrestrial planets.
作者 wikipedia user Brian0918
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Public domain 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.)
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Approximate relative sizes of the terrestrial planets, from left to right: Mercury, Venus, Earth and Mars

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現時2018年12月4號 (二) 20:39響2018年12月4號 (二) 20:39嘅縮圖版本1,500 × 653（314 KB）Allice HunterCorrecting Mars
2018年12月3號 (一) 17:21響2018年12月3號 (一) 17:21嘅縮圖版本1,500 × 653（315 KB）Allice Hunterupdated: correcting the color of Mars. Based on image of Mars >> File:OSIRIS Mars true color.jpg. There was no distortion in size
2012年7月15號 (日) 22:37響2012年7月15號 (日) 22:37嘅縮圖版本1,500 × 653（276 KB）Ubiquinoidupdated: correcting for apparent undersizing of Venus (from 90 to 95% (true) of Earth's diameter) - based on image of Venus w/NASA cloup map (resized) at http://cronodon.com/PlanetTech/Venus.html; centred
2012年7月15號 (日) 14:52響2012年7月15號 (日) 14:52嘅縮圖版本1,500 × 653（79 KB）Ubiquinoidupdated: correcting for apparent undersizing of Venus (95% of Earth's diameter) - based on image of Venus w/cloup map (resized) at http://cronodon.com/PlanetTech/Venus.html
2007年12月27號 (四) 23:50響2007年12月27號 (四) 23:50嘅縮圖版本1,500 × 653（456 KB）Crotalus horridus~commonswikiCreated identical and more compact version using the "Huffman optimized" feature of jpegcrop. Nothing else has been changed.
2006年6月14號 (三) 23:27響2006年6月14號 (三) 23:27嘅縮圖版本1,500 × 653（488 KB）Nicke L{{Information| |Description= The inner planets, from left to right: en:Mercury, en:Venus, en:Earth, and en:Mars Source: http://solarsystem.nasa.gov/multimedia/gallery/terr_sizes.jpg |Source= |Date= |Author=User [[:en:User:Brian0918|Br

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