File:Earth-Moon.png
原始文件 (14,476 × 480像素,文件大小:396 KB,MIME类型:image/png)
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摘要
[编辑]描述Earth-Moon.png |
Line below Earth represents distance of Earth's centre from the system barycentre. Line below the Moon represents perigee and apogee with the moon at the semi‐major axis position. Moon shown with correct side facing earth, but without any pretty shading. The below information refers to the original version of this file, which was twice the size of the current version (i.e. it's now 14.25 km/px). Sorry but Photoshop wasn't saving them very well, so I had to switch to GraphicConverter, which is limited to 16,000 pixels across. Earth-Moon system at a scale of 7.1224 km/px (0.140402 px/km)
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来源 | 自己的作品 | |||
作者 | Nickshanks | |||
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日期/时间 | 缩略图 | 大小 | 用户 | 备注 | |
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当前 | 2006年2月2日 (四) 01:57 | 14,476 × 480(396 KB) | Nickshanks(留言 | 贡献) | Halved all dimensions so I could open/re‐save in GraphicConverter and run pngcrush. | |
2006年2月2日 (四) 01:43 | 28,952 × 960(1.46 MB) | Nickshanks(留言 | 贡献) | Re‐saved without interlacing. Size smaller and hopefully Wikipedia will be able to rescale without artifacts. | ||
2006年2月2日 (四) 01:31 | 28,952 × 960(1.94 MB) | Nickshanks(留言 | 贡献) | Earth-Moon system at a scale of 7.1224 km/px (0.140402 px/km) * Earth polar diameter = 12,713.5 km (893px) ⇒ 7.1224 km/px * Moon equatorial diameter = 3,476.2 km (244px) * Lunar apogee = 405696 km (28480px) * Lunar semi‐major axis = 384400 km (269 |
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