https://www.astro-init.top/index.php?action=history&feed=atom&title=2017%E5%B9%B4IAO%E7%90%86%E8%AE%BA%E9%AB%98%E5%B9%B4%E7%BB%84%E7%AC%AC1%E9%A2%98-%E5%8F%8C%E6%98%9F 2026-04-29T13:14:11Z 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%B4IAO%E7%90%86%E8%AE%BA%E9%AB%98%E5%B9%B4%E7%BB%84%E7%AC%AC1%E9%A2%98-%E5%8F%8C%E6%98%9F&diff=1303&oldid=prev 2019-09-18T17:49:07Z

<p>‎<span dir="auto"><span class="autocomment">中文题目</span></span></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9月18日 (三) 17:49的版本</td> </tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l6" >第6行：</td> <td colspan="2" class="diff-lineno">第6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>'''β-1 双星'''  </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>'''β-1 双星'''  </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>已知双星由两个所有物理特征都等于半人马座α A和半人马座α B的星体组成，它们通过圆形轨道围绕共同的质心旋转。从地球上观察得到，两星之间的角距离从0.17“到2.2”不等，周期为τ= 39.6年。 <del class="diffchange diffchange-inline">试求每个星体的视星等以及它们共同的视星等。</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>已知双星由两个所有物理特征都等于半人马座α A和半人马座α B的星体组成，它们通过圆形轨道围绕共同的质心旋转。从地球上观察得到，两星之间的角距离从0.17“到2.2”不等，周期为τ= 39.6年。 <ins class="diffchange diffchange-inline">试求每个星体的视星等以及双星的视星等。</ins></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="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>（质量：1.1太阳质量（A）/0.907太阳质量（B））</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>（质量：1.1太阳质量（A）/0.907太阳质量（B））</div></td></tr> </table>

Heavens above https://www.astro-init.top/index.php?title=2017%E5%B9%B4IAO%E7%90%86%E8%AE%BA%E9%AB%98%E5%B9%B4%E7%BB%84%E7%AC%AC1%E9%A2%98-%E5%8F%8C%E6%98%9F&diff=1302&oldid=prev 2019-09-18T17:48:23Z

<p>‎<span dir="auto"><span class="autocomment">中文题目</span></span></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9月18日 (三) 17:48的版本</td> </tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l7" >第7行：</td> <td colspan="2" class="diff-lineno">第7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;"></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="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>已知双星由两个所有物理特征都等于半人马座α A和半人马座α B的星体组成，它们通过圆形轨道围绕共同的质心旋转。从地球上观察得到，两星之间的角距离从0.17“到2.2”不等，周期为τ= 39.6年。 试求每个星体的视星等以及它们共同的视星等。</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>已知双星由两个所有物理特征都等于半人马座α A和半人马座α B的星体组成，它们通过圆形轨道围绕共同的质心旋转。从地球上观察得到，两星之间的角距离从0.17“到2.2”不等，周期为τ= 39.6年。 试求每个星体的视星等以及它们共同的视星等。</div></td></tr> <tr><td colspan="2"> </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 style="font-weight: bold; text-decoration: none;"></ins></div></td></tr> <tr><td colspan="2"> </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 style="font-weight: bold; text-decoration: none;">（质量：1.1太阳质量（A）/0.907太阳质量（B））</ins></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;"><div>==解答==</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>==解答==</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="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>[[分类:星等]]</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>[[分类:星等]]</div></td></tr> </table>

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<p>‎<span dir="auto"><span class="autocomment">中文题目</span></span></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9月18日 (三) 17:40的版本</td> </tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l5" >第5行：</td> <td colspan="2" class="diff-lineno">第5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>==中文题目==</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>==中文题目==</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;"><div>'''β-1 双星'''  </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>'''β-1 双星'''  </div></td></tr> <tr><td colspan="2"> </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 style="font-weight: bold; text-decoration: none;"></ins></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;"><div>已知双星由两个所有物理特征都等于半人马座α A和半人马座α B的星体组成，它们通过圆形轨道围绕共同的质心旋转。从地球上观察得到，两星之间的角距离从0.17“到2.2”不等，周期为τ= 39.6年。 试求每个星体的视星等以及它们共同的视星等。</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>已知双星由两个所有物理特征都等于半人马座α A和半人马座α B的星体组成，它们通过圆形轨道围绕共同的质心旋转。从地球上观察得到，两星之间的角距离从0.17“到2.2”不等，周期为τ= 39.6年。 试求每个星体的视星等以及它们共同的视星等。</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;"><div>==解答==</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>==解答==</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="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>[[分类:星等]]</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>[[分类:星等]]</div></td></tr> </table>

Heavens above https://www.astro-init.top/index.php?title=2017%E5%B9%B4IAO%E7%90%86%E8%AE%BA%E9%AB%98%E5%B9%B4%E7%BB%84%E7%AC%AC1%E9%A2%98-%E5%8F%8C%E6%98%9F&diff=1300&oldid=prev 2019-09-18T17:40:17Z

<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9月18日 (三) 17:40的版本</td> </tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l3" >第3行：</td> <td colspan="2" class="diff-lineno">第3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>==英文题目==</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>==英文题目==</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;"><div>β-1.Double star. A double star consists Of components by all physical characteristics equal to α Centauri A and α Centauri B, which are rotating around the common center Of gravity by circular orbits. As observed from the Earth the angular distance between the components varies from 0.17&quot; till 2.2&quot; with a period Of τ= 39.6 years. Find the apparent magnitude of every component and also their combined magnitude.</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>β-1.Double star. A double star consists Of components by all physical characteristics equal to α Centauri A and α Centauri B, which are rotating around the common center Of gravity by circular orbits. As observed from the Earth the angular distance between the components varies from 0.17&quot; till 2.2&quot; with a period Of τ= 39.6 years. Find the apparent magnitude of every component and also their combined magnitude.</div></td></tr> <tr><td colspan="2"> </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 style="font-weight: bold; text-decoration: none;">==中文题目==</ins></div></td></tr> <tr><td colspan="2"> </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 style="font-weight: bold; text-decoration: none;">'''β-1 双星''' </ins></div></td></tr> <tr><td colspan="2"> </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 style="font-weight: bold; text-decoration: none;">已知双星由两个所有物理特征都等于半人马座α A和半人马座α B的星体组成，它们通过圆形轨道围绕共同的质心旋转。从地球上观察得到，两星之间的角距离从0.17“到2.2”不等，周期为τ= 39.6年。 试求每个星体的视星等以及它们共同的视星等。</ins></div></td></tr> <tr><td colspan="2"> </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 style="font-weight: bold; text-decoration: none;">==解答==</ins></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="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>[[分类:星等]]</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>[[分类:星等]]</div></td></tr> </table>

Heavens above https://www.astro-init.top/index.php?title=2017%E5%B9%B4IAO%E7%90%86%E8%AE%BA%E9%AB%98%E5%B9%B4%E7%BB%84%E7%AC%AC1%E9%A2%98-%E5%8F%8C%E6%98%9F&diff=464&oldid=prev 2019-08-16T16:55:53Z

<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8月16日 (五) 16:55的版本</td> </tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l3" >第3行：</td> <td colspan="2" class="diff-lineno">第3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>==英文题目==</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>==英文题目==</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;"><div>β-1.Double star. A double star consists Of components by all physical characteristics equal to α Centauri A and α Centauri B, which are rotating around the common center Of gravity by circular orbits. As observed from the Earth the angular distance between the components varies from 0.17&quot; till 2.2&quot; with a period Of τ= 39.6 years. Find the apparent magnitude of every component and also their combined magnitude.</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>β-1.Double star. A double star consists Of components by all physical characteristics equal to α Centauri A and α Centauri B, which are rotating around the common center Of gravity by circular orbits. As observed from the Earth the angular distance between the components varies from 0.17&quot; till 2.2&quot; with a period Of τ= 39.6 years. Find the apparent magnitude of every component and also their combined magnitude.</div></td></tr> <tr><td colspan="2"> </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 style="font-weight: bold; text-decoration: none;"></ins></div></td></tr> <tr><td colspan="2"> </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 style="font-weight: bold; text-decoration: none;">[[分类:星等]]</ins></div></td></tr> </table>

Quan787 https://www.astro-init.top/index.php?title=2017%E5%B9%B4IAO%E7%90%86%E8%AE%BA%E9%AB%98%E5%B9%B4%E7%BB%84%E7%AC%AC1%E9%A2%98-%E5%8F%8C%E6%98%9F&diff=430&oldid=prev 2019-08-16T08:33:44Z

<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8月16日 (五) 08:33的版本</td> </tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l2" >第2行：</td> <td colspan="2" class="diff-lineno">第2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>低年组对应问题：[[2017年IAO理论低年组第1题-双星]]</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>低年组对应问题：[[2017年IAO理论低年组第1题-双星]]</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;"><div>==英文题目==</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>==英文题目==</div></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>β-1.Double star. A double star consists Of components by all physical characteristics equal to <del class="diffchange diffchange-inline">αCentauri </del>A and α Centauri B, which are rotating around the common center Of gravity by circular orbits. As observed from the Earth the angular distance between the components varies from 0.17&quot; till 2.2&quot; with a period Of τ= 39.6 years. Find the apparent magnitude of every component and also their combined magnitude.</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>β-1.Double star. A double star consists Of components by all physical characteristics equal to <ins class="diffchange diffchange-inline">α Centauri </ins>A and α Centauri B, which are rotating around the common center Of gravity by circular orbits. As observed from the Earth the angular distance between the components varies from 0.17&quot; till 2.2&quot; with a period Of τ= 39.6 years. Find the apparent magnitude of every component and also their combined magnitude.</div></td></tr> </table>

Quan787 https://www.astro-init.top/index.php?title=2017%E5%B9%B4IAO%E7%90%86%E8%AE%BA%E9%AB%98%E5%B9%B4%E7%BB%84%E7%AC%AC1%E9%A2%98-%E5%8F%8C%E6%98%9F&diff=429&oldid=prev 2019-08-16T08:33:32Z

<p>创建页面，内容为“{{需要解答}} 低年组对应问题：<a href="/index.php?title=2017%E5%B9%B4IAO%E7%90%86%E8%AE%BA%E4%BD%8E%E5%B9%B4%E7%BB%84%E7%AC%AC1%E9%A2%98-%E5%8F%8C%E6%98%9F" title="2017年IAO理论低年组第1题-双星">2017年IAO理论低年组第1题-双星</a> ==英文题目== β-1.Double star. A double star consists Of components by all p…”</p> <p><b>新页面</b></p><div>{{需要解答}}<br /> 低年组对应问题：[[2017年IAO理论低年组第1题-双星]]<br /> ==英文题目==<br /> β-1.Double star. A double star consists Of components by all physical characteristics equal to αCentauri A and α Centauri B, which are rotating around the common center Of gravity by circular orbits. As observed from the Earth the angular distance between the components varies from 0.17&quot; till 2.2&quot; with a period Of τ= 39.6 years. Find the apparent magnitude of every component and also their combined magnitude.</div>

Quan787