https://www.astro-init.top/index.php?action=history&feed=atom&title=2017%E5%B9%B4IOAA%E6%97%A5%E9%97%B4%E8%A7%82%E6%B5%8B%E7%AC%AC3%E9%A2%98-%E5%8F%A6%E4%B8%80%E9%A2%97%E8%A1%8C%E6%98%9F%E4%B8%8A%E7%9A%84%E6%97%A5%E8%A1%8C%E8%BF%B9 2026-04-29T16:53:38Z 本wiki的该页面的版本历史 MediaWiki 1.32.2 https://www.astro-init.top/index.php?title=2017%E5%B9%B4IOAA%E6%97%A5%E9%97%B4%E8%A7%82%E6%B5%8B%E7%AC%AC3%E9%A2%98-%E5%8F%A6%E4%B8%80%E9%A2%97%E8%A1%8C%E6%98%9F%E4%B8%8A%E7%9A%84%E6%97%A5%E8%A1%8C%E8%BF%B9&diff=1624&oldid=prev 2019-10-29T20:34:44Z

<p></p> <table class="diff diff-contentalign-left" data-mw="interface"> <col class="diff-marker" /> <col class="diff-content" /> <col class="diff-marker" /> <col class="diff-content" /> <tr class="diff-title" lang="zh-Hans-CN"> <td colspan="2" style="background-color: #fff; color: #222; text-align: center;">←上一版本</td> <td colspan="2" style="background-color: #fff; color: #222; text-align: center;">2019年10月29日 (二) 20:34的版本</td> </tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l43" >第43行：</td> <td colspan="2" class="diff-lineno">第43行：</td></tr> <tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>&lt;references /&gt;</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>&lt;references /&gt;</div></td></tr> <tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td></tr> <tr><td class='diff-marker'>−</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>[[<del class="diffchange diffchange-inline">分类：视运动</del>]]</div></td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>[[<ins class="diffchange diffchange-inline">分类:视运动</ins>]]</div></td></tr> </table>

Caroldong https://www.astro-init.top/index.php?title=2017%E5%B9%B4IOAA%E6%97%A5%E9%97%B4%E8%A7%82%E6%B5%8B%E7%AC%AC3%E9%A2%98-%E5%8F%A6%E4%B8%80%E9%A2%97%E8%A1%8C%E6%98%9F%E4%B8%8A%E7%9A%84%E6%97%A5%E8%A1%8C%E8%BF%B9&diff=1623&oldid=prev 2019-10-29T20:32:26Z

<p>创建页面，内容为“==英文原题== &#039;&#039;&#039;P3: Analemma on another planet&#039;&#039;&#039; &#039;&#039;&#039;Instruction: &#039;&#039;&#039;Find the Obliquity (Axial Tilt) of the planet &#039;&#039;&#039;Included:&#039;&#039;&#039; - A generated analemma (po…”</p> <p><b>新页面</b></p><div>==英文原题==<br /> <br /> '''P3: Analemma on another planet'''<br /> <br /> '''Instruction: '''Find the Obliquity (Axial Tilt) of the planet<br /> <br /> '''Included:'''<br /> <br /> - A generated analemma (position of a Star taken from the surface of a planet with interval separated by mean solar day of the planet over an orbital period around a Star) of a fictitious planet orbiting around a Star.<br /> <br /> - Result is graphed on a paper with each major grid representing 5°<br /> <br /> The obliquity of the planet : ________________________<br /> <br /> [[文件:2017IOAA OD3.png|无框]]<br /> <br /> ==中文翻译==<br /> <br /> '''另一颗行星上的日形迹'''<br /> <br /> '''说明：'''指出这颗行星的自转轴倾角。<br /> <br /> '''你手中的信息有：'''<br /> <br /> - 一张围绕某颗恒星公转的假想行星的“日”行迹图（即一“年”中每个平太阳日的同一时刻，行星表面某地的观测者记录的该恒星的位置）<br /> <br /> - 图像上一大格代表5°<br /> <br /> 行星的自转轴倾角为：________________________<br /> <br /> ==答案与解析==<br /> <br /> 首先，测量一下日形迹南北的长度，一共是18个大格整，即<br /> <br /> 18×5°= 90°<br /> <br /> 日行迹南北向的部分则是其赤纬，也就是太阳直射的纬度。东西向的部分则是均时差，是太阳日和地方平时的差值。&lt;ref&gt;[https://zh.wikipedia.org/wiki/日行跡 日形迹-维基百科]，虽然国内打不开。&lt;/ref&gt;<br /> <br /> 由此可知，自转轴倾角为90°÷2=45°<br /> <br /> ==参考资料==<br /> <br /> &lt;references /&gt;<br /> <br /> [[分类：视运动]]</div>

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