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	<title>地理时间 &#187; APOD</title>
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	<description>美图看世界</description>
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		<title>类太阳恒星濒死之美：螺旋星云Helix Nebula等Apod7P</title>
		<link>http://www.comgeo.net/archives/11460</link>
		<comments>http://www.comgeo.net/archives/11460#comments</comments>
		<pubDate>Thu, 02 Feb 2012 01:08:57 +0000</pubDate>
		<dc:creator>comgeo</dc:creator>
				<category><![CDATA[天文]]></category>
		<category><![CDATA[APOD]]></category>
		<category><![CDATA[摄影]]></category>

		<guid isPermaLink="false">http://www.comgeo.net/?p=11460</guid>
		<description><![CDATA[<p>这张图让我想起之前图案相近的“<a href="http://www.comgeo.net/archives/1690" target="_blank">上帝之眼</a>”，它其实是一颗类太阳恒星濒死时的样子，也许这就是未来太阳将死时的情景。</p><p><a href="http://apod.nasa.gov/apod/image/1201/helix_vista_4000.jpg" target="_blank"></a></p><p><strong>螺旋星云(Helix Nebula)</strong>：我们的太阳将来会变成这样吗？由一颗类太阳恒星在生命末期所产生的螺旋星云(Helix Nebula)，是离我们最近的行星状星云。这颗恒星的外层气壳被抛入太空中，从地球所在的位置看出去，正好像是看入一个螺旋梯之中。而注定要成为白矮星的恒星核心遗骸，Helix Nebula内边缘的特写显示它有许多成因不明的复杂云气结。（图片右键链接另存为下载清晰大图） <span class='read-more'><a href='http://www.comgeo.net/archives/11460'>浏览全文»</a></span></p><div class="clear-float"></div>
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			<content:encoded><![CDATA[<div class="ta-pageimg-left">
		<a  href="http://www.comgeo.net/archives/11460" rel="nofollow" title="类太阳恒星濒死之美：螺旋星云Helix Nebula等Apod7P" target="_blank"><img alt="类太阳恒星濒死之美：螺旋星云Helix Nebula等Apod7P" width="100" src="http://pic.yupoo.com/comgeo/BIefntu7/thumb.jpg" onmouseover="this.style.backgroundColor='#39b8ff'" onmouseout="this.style.backgroundColor='#FFFFFF'" /></a>
		</div><p>这张图让我想起之前图案相近的“<a  href="http://www.comgeo.net/archives/1690" target="_blank">上帝之眼</a>”，它其实是一颗类太阳恒星濒死时的样子，也许这就是未来太阳将死时的情景。</p><p><a  href="http://apod.nasa.gov/apod/image/1201/helix_vista_4000.jpg" target="_blank"></a></p><p><strong>螺旋星云(Helix Nebula)</strong>：我们的太阳将来会变成这样吗？由一颗类太阳恒星在生命末期所产生的螺旋星云(Helix Nebula)，是离我们最近的行星状星云。这颗恒星的外层气壳被抛入太空中，从地球所在的位置看出去，正好像是看入一个螺旋梯之中。而注定要成为白矮星的恒星核心遗骸，Helix Nebula内边缘的特写显示它有许多成因不明的复杂云气结。（图片右键链接另存为下载清晰大图） <span class='read-more'><a href='http://www.comgeo.net/archives/11460'>浏览全文»</a></span></p><div class="clear-float"></div>
		<hr />
<p><small>© comgeo for <a href="http://www.comgeo.net">地理时间</a>, 2012. |
<a href="http://www.comgeo.net/archives/11460">原文链接</a> |
<a href="http://www.comgeo.net/archives/11460#comments">3 comments</a> | 
<a href="http://www.weibo.com/comgeo">@地理时间</a> | 
图片托管于<a href="http://v.yupoo.com/p/comgeo/?utm_source=comgeo&utm_medium=comgeorss&utm_campaign=comgeorss" target="_blank">又拍网</a>
<br/>
Post tags: <a href="http://www.comgeo.net/archives/tag/apod" rel="tag">APOD</a>, <a href="http://www.comgeo.net/archives/tag/photography" rel="tag">摄影</a><br/>
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		<title>APOD天文图8P</title>
		<link>http://www.comgeo.net/archives/11187</link>
		<comments>http://www.comgeo.net/archives/11187#comments</comments>
		<pubDate>Sat, 07 Jan 2012 16:12:25 +0000</pubDate>
		<dc:creator>comgeo</dc:creator>
				<category><![CDATA[天文]]></category>
		<category><![CDATA[APOD]]></category>
		<category><![CDATA[摄影]]></category>

		<guid isPermaLink="false">http://www.comgeo.net/?p=11187</guid>
		<description><![CDATA[<p><strong>与土卫六和土卫四同游</strong></p><p><a href="http://apod.nasa.gov/apod/image/1201/PIA14910.jpg" target="_blank"></a></p><p>轨道和土星行星环重迭土星卫星，永远能清楚的见到这颗壮丽之气态巨行星。而当卡西尼号飞越土星环面时，也享有此一福份。上面这幅卡西尼号在2011年5月拍摄的影像里，可见到横切过影像中心的土星环，以及土星的最大卫星土卫六 (Titan)和第三大的土卫四 (Dione)。土星环虽然极为纤薄，但仍在影像下端的土星云顶投射出弯弯之暗影。土卫六迷蒙大气后方的淡白色土卫四，直径约为1100公里，轨道离土星A环的可见外缘约30万公里。拍照时，直径5150公里的土卫六离卡西尼号有230万公里，而土卫四则在320万公里之外。（点击图片浏览高清大图，右键“链接另存为”下载高清大图） <span class='read-more'><a href='http://www.comgeo.net/archives/11187'>浏览全文»</a></span></p><div class="clear-float"></div>
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                        <img style="margin: 0 !important; padding: 2px !important; border: 1px solid #DDDDDD !important; width: 96px !important; height: 96px !important;" src="http://static.wumii.com/site_images/2011/07/21/18301632.jpg" width="96px" height="96px" /><br />
                        <font size="-1" color="#333333" style="display: block !important; line-height: 15px !important; width: 102px !important; font: 12px/15px arial !important; height: 60px !important; margin: 3px 0 0 0 !important; padding: 0 !important; overflow: hidden !important;">APOD天文美图8P</font>
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                <td width="102" valign="top" style="padding: 5px !important; margin: 0 !important; border-left: 1px solid #DDDDDD !important;">
                    <a target="_blank" title="天文美图：瀑布,月虹,极光等5P" style="text-decoration: none !important; cursor: pointer !important;" href="http://app.wumii.com/ext/redirect.htm?url=http%3A%2F%2Fwww.comgeo.net%2Farchives%2F10564&from=http%3A%2F%2Fwww.comgeo.net%2Farchives%2F11187">
                        <img style="margin: 0 !important; padding: 2px !important; border: 1px solid #DDDDDD !important; width: 96px !important; height: 96px !important;" src="http://static.wumii.com/site_images/2011/11/14/10794969.jpg" width="96px" height="96px" /><br />
                        <font size="-1" color="#333333" style="display: block !important; line-height: 15px !important; width: 102px !important; font: 12px/15px arial !important; height: 60px !important; margin: 3px 0 0 0 !important; padding: 0 !important; overflow: hidden !important;">天文美图：瀑布,月虹,极光等5P</font>
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                <font size="-1" color="#bbbbbb" style="display: block !important; font-family: arial !important; padding: 5px 0 !important; font-size: 12px !important; color: #bbb !important;">无觅</font>
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			<content:encoded><![CDATA[<div class="ta-pageimg-left">
		<a  href="http://www.comgeo.net/archives/11187" rel="nofollow" title="APOD天文图8P" target="_blank"><img alt="APOD天文图8P" width="100" src="http://pic.yupoo.com/comgeo/BEpkRTov/thumb.jpg" onmouseover="this.style.backgroundColor='#39b8ff'" onmouseout="this.style.backgroundColor='#FFFFFF'" /></a>
		</div><p><strong>与土卫六和土卫四同游</strong></p><p><a  href="http://apod.nasa.gov/apod/image/1201/PIA14910.jpg" target="_blank"></a></p><p>轨道和土星行星环重迭土星卫星，永远能清楚的见到这颗壮丽之气态巨行星。而当卡西尼号飞越土星环面时，也享有此一福份。上面这幅卡西尼号在2011年5月拍摄的影像里，可见到横切过影像中心的土星环，以及土星的最大卫星土卫六 (Titan)和第三大的土卫四 (Dione)。土星环虽然极为纤薄，但仍在影像下端的土星云顶投射出弯弯之暗影。土卫六迷蒙大气后方的淡白色土卫四，直径约为1100公里，轨道离土星A环的可见外缘约30万公里。拍照时，直径5150公里的土卫六离卡西尼号有230万公里，而土卫四则在320万公里之外。（点击图片浏览高清大图，右键“链接另存为”下载高清大图） <span class='read-more'><a href='http://www.comgeo.net/archives/11187'>浏览全文»</a></span></p><div class="clear-float"></div>
		<hr />
<p><small>© comgeo for <a href="http://www.comgeo.net">地理时间</a>, 2012. |
<a href="http://www.comgeo.net/archives/11187">原文链接</a> |
<a href="http://www.comgeo.net/archives/11187#comments">No comment</a> | 
<a href="http://www.weibo.com/comgeo">@地理时间</a> | 
图片托管于<a href="http://v.yupoo.com/p/comgeo/?utm_source=comgeo&utm_medium=comgeorss&utm_campaign=comgeorss" target="_blank">又拍网</a>
<br/>
Post tags: <a href="http://www.comgeo.net/archives/tag/apod" rel="tag">APOD</a>, <a href="http://www.comgeo.net/archives/tag/photography" rel="tag">摄影</a><br/>
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</table>]]></content:encoded>
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		<title>APOD天文美图5P</title>
		<link>http://www.comgeo.net/archives/10762</link>
		<comments>http://www.comgeo.net/archives/10762#comments</comments>
		<pubDate>Sat, 03 Dec 2011 10:16:06 +0000</pubDate>
		<dc:creator>comgeo</dc:creator>
				<category><![CDATA[天文]]></category>
		<category><![CDATA[摄影]]></category>
		<category><![CDATA[APOD]]></category>

		<guid isPermaLink="false">http://www.comgeo.net/?p=10762</guid>
		<description><![CDATA[<p><a href="http://apod.nasa.gov/apod/image/1112/zagorje-2Boris.jpg" target="_blank"></a></p><p>上下辉映：单一的长曝光就记录了七彩云海上方的这些流星迹。这幅摄于麦侬尼卡山 (Medvednica Mountain)的影像，所呈现的群峰和被下方灯火照亮的云海，位在克罗埃西亚‧萨格勒布市(Zagreb)之北。这些多彩星流迹弧，环拱着位在影像右上角之外的北天极。虽然现在已是数字相机的时代，这张取景佳妙的星野影像，却是用传统中尺寸相机搭配彩色幻灯机底片所记录的。这幅梦幻影像中的星空和云海，让人们不禁忆起，远在一千万年前，当潘诺尼亚海 (Pannonian Sea)仍覆盖中欧时，景色或许如是。（点击图片播放大图，右键“链接另存为”下载大图） <span class='read-more'><a href='http://www.comgeo.net/archives/10762'>浏览全文»</a></span></p><div class="clear-float"></div>
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                        <img style="margin: 0 !important; padding: 2px !important; border: 1px solid #DDDDDD !important; width: 96px !important; height: 96px !important;" src="http://static.wumii.com/site_images/2012/02/02/14656564.jpg" width="96px" height="96px" /><br />
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                    <a target="_blank" title="一周天文图：太阳巨环等7P" style="text-decoration: none !important; cursor: pointer !important;" href="http://app.wumii.com/ext/redirect.htm?url=http%3A%2F%2Fwww.comgeo.net%2Farchives%2F11405&from=http%3A%2F%2Fwww.comgeo.net%2Farchives%2F10762">
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                <font size="-1" color="#bbbbbb" style="display: block !important; font-family: arial !important; padding: 5px 0 !important; font-size: 12px !important; color: #bbb !important;">无觅</font>
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</table>]]></description>
			<content:encoded><![CDATA[<div class="ta-pageimg-left">
		<a  href="http://www.comgeo.net/archives/10762" rel="nofollow" title="APOD天文美图5P" target="_blank"><img alt="APOD天文美图5P" width="100" src="http://pic.yupoo.com/comgeo/Bz34f7gO/thumb.jpg" onmouseover="this.style.backgroundColor='#39b8ff'" onmouseout="this.style.backgroundColor='#FFFFFF'" /></a>
		</div><p><a  href="http://apod.nasa.gov/apod/image/1112/zagorje-2Boris.jpg" target="_blank"></a></p><p>上下辉映：单一的长曝光就记录了七彩云海上方的这些流星迹。这幅摄于麦侬尼卡山 (Medvednica Mountain)的影像，所呈现的群峰和被下方灯火照亮的云海，位在克罗埃西亚‧萨格勒布市(Zagreb)之北。这些多彩星流迹弧，环拱着位在影像右上角之外的北天极。虽然现在已是数字相机的时代，这张取景佳妙的星野影像，却是用传统中尺寸相机搭配彩色幻灯机底片所记录的。这幅梦幻影像中的星空和云海，让人们不禁忆起，远在一千万年前，当潘诺尼亚海 (Pannonian Sea)仍覆盖中欧时，景色或许如是。（点击图片播放大图，右键“链接另存为”下载大图） <span class='read-more'><a href='http://www.comgeo.net/archives/10762'>浏览全文»</a></span></p><div class="clear-float"></div>
		<hr />
<p><small>© comgeo for <a href="http://www.comgeo.net">地理时间</a>, 2011. |
<a href="http://www.comgeo.net/archives/10762">原文链接</a> |
<a href="http://www.comgeo.net/archives/10762#comments">No comment</a> | 
<a href="http://www.weibo.com/comgeo">@地理时间</a> | 
图片托管于<a href="http://v.yupoo.com/p/comgeo/?utm_source=comgeo&utm_medium=comgeorss&utm_campaign=comgeorss" target="_blank">又拍网</a>
<br/>
Post tags: <a href="http://www.comgeo.net/archives/tag/apod" rel="tag">APOD</a><br/>
</small></p><table class="wumii-related-items" cellspacing="0" cellpadding="3" border="0"  style="clear: both;">
    
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		</item>
		<item>
		<title>天文美图：瀑布,月虹,极光等5P</title>
		<link>http://www.comgeo.net/archives/10564</link>
		<comments>http://www.comgeo.net/archives/10564#comments</comments>
		<pubDate>Mon, 14 Nov 2011 12:00:03 +0000</pubDate>
		<dc:creator>comgeo</dc:creator>
				<category><![CDATA[天文]]></category>
		<category><![CDATA[摄影]]></category>
		<category><![CDATA[APOD]]></category>
		<category><![CDATA[NASA]]></category>

		<guid isPermaLink="false">http://www.comgeo.net/?p=10564</guid>
		<description><![CDATA[<p><a href="http://apod.nasa.gov/apod/image/1111/moonbow_vetter_1200.jpg" target="_blank"></a></p><p><strong>瀑布、月虹、极光：</strong>凝望着这张影像愈久，将会得到更多。首先看到是右方称为Skogarfoss的瀑布。在这张常见的冰岛视觉盛事中，可见缤纷的弧光就位于瀑布左方。这张色差弧光并不是彩虹，水滴不是来自于降雨，而光源也不是反射太阳光。事实上，这水滴来自于瀑布的水珠，光线则是由接近满月的月亮所提供。在这上方，天空中的绿色是极光。这张捕捉于上个月的夜晚，背景中还可见美丽的星野，包含了大熊星座的北斗七星。（点击图片播放及下载大图） <span class='read-more'><a href='http://www.comgeo.net/archives/10564'>浏览全文»</a></span></p><div class="clear-float"></div>
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</table>]]></description>
			<content:encoded><![CDATA[<div class="ta-pageimg-left">
		<a  href="http://www.comgeo.net/archives/10564" rel="nofollow" title="天文美图：瀑布,月虹,极光等5P" target="_blank"><img alt="天文美图：瀑布,月虹,极光等5P" width="100" src="http://pic.yupoo.com/comgeo/BwaGFeML/thumb.jpg" onmouseover="this.style.backgroundColor='#39b8ff'" onmouseout="this.style.backgroundColor='#FFFFFF'" /></a>
		</div><p><a  href="http://apod.nasa.gov/apod/image/1111/moonbow_vetter_1200.jpg" target="_blank"></a></p><p><strong>瀑布、月虹、极光：</strong>凝望着这张影像愈久，将会得到更多。首先看到是右方称为Skogarfoss的瀑布。在这张常见的冰岛视觉盛事中，可见缤纷的弧光就位于瀑布左方。这张色差弧光并不是彩虹，水滴不是来自于降雨，而光源也不是反射太阳光。事实上，这水滴来自于瀑布的水珠，光线则是由接近满月的月亮所提供。在这上方，天空中的绿色是极光。这张捕捉于上个月的夜晚，背景中还可见美丽的星野，包含了大熊星座的北斗七星。（点击图片播放及下载大图） <span class='read-more'><a href='http://www.comgeo.net/archives/10564'>浏览全文»</a></span></p><div class="clear-float"></div>
		<hr />
<p><small>© comgeo for <a href="http://www.comgeo.net">地理时间</a>, 2011. |
<a href="http://www.comgeo.net/archives/10564">原文链接</a> |
<a href="http://www.comgeo.net/archives/10564#comments">3 comments</a> | 
<a href="http://www.weibo.com/comgeo">@地理时间</a> | 
图片托管于<a href="http://v.yupoo.com/p/comgeo/?utm_source=comgeo&utm_medium=comgeorss&utm_campaign=comgeorss" target="_blank">又拍网</a>
<br/>
Post tags: <a href="http://www.comgeo.net/archives/tag/apod" rel="tag">APOD</a>, <a href="http://www.comgeo.net/archives/tag/nasa" rel="tag">NASA</a><br/>
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		</item>
		<item>
		<title>两个半球的星空</title>
		<link>http://www.comgeo.net/archives/9131</link>
		<comments>http://www.comgeo.net/archives/9131#comments</comments>
		<pubDate>Fri, 05 Aug 2011 01:00:25 +0000</pubDate>
		<dc:creator>comgeo</dc:creator>
				<category><![CDATA[天文]]></category>
		<category><![CDATA[APOD]]></category>

		<guid isPermaLink="false">http://www.comgeo.net/?p=9131</guid>
		<description><![CDATA[<p><a href="http://apod.nasa.gov/apod/image/1107/DoubleGalactic_tezelguisard.jpg" target="_blank"></a></p><p>在寻找地球上最幽暗夜空的过程中，产生了上面这幅非常有趣的全景影像。这幅拼接图像，结合了分别在北半球加那利群岛的La Palma岛，以及在南半球阿塔卡玛高原沙漠(Atacama Desert)拍摄的全景图。然后再把南半球照片倒置，接合出这幅地景横贯中间的影像。摄影者选择的地点分别代表La Palma岛Roque de los Muchachos天文台及智利Paranal天文台上方的星空，同时，也让银河的北和南银极出现在当地的天顶，更让在这两个地点见到的黯淡弥漫银河，浮贴在地平线山峰上方。也因此在图像拼接之后，<a href="http://www.comgeo.net/archives/1077" target="_blank">黄道光</a>形成了一道绵延南北半球夜空的微弱的S型光带。<a href="http://apod.nasa.gov/apod/image/1107/DoubleGalactic_tezelguisard.jpg" target="_blank">大图</a> <span class='read-more'><a href='http://www.comgeo.net/archives/9131'>浏览全文»</a></span></p><div class="clear-float"></div>
		]]></description>
			<content:encoded><![CDATA[<div class="ta-pageimg-left">
		<a  href="http://www.comgeo.net/archives/9131" rel="nofollow" title="两个半球的星空" target="_blank"><img alt="两个半球的星空" width="100" src="http://pic.yupoo.com/comgeo/BgHGRBzJ/thumb.jpg" onmouseover="this.style.backgroundColor='#39b8ff'" onmouseout="this.style.backgroundColor='#FFFFFF'" /></a>
		</div><p><a  href="http://apod.nasa.gov/apod/image/1107/DoubleGalactic_tezelguisard.jpg" target="_blank"></a></p><p>在寻找地球上最幽暗夜空的过程中，产生了上面这幅非常有趣的全景影像。这幅拼接图像，结合了分别在北半球加那利群岛的La Palma岛，以及在南半球阿塔卡玛高原沙漠(Atacama Desert)拍摄的全景图。然后再把南半球照片倒置，接合出这幅地景横贯中间的影像。摄影者选择的地点分别代表La Palma岛Roque de los Muchachos天文台及智利Paranal天文台上方的星空，同时，也让银河的北和南银极出现在当地的天顶，更让在这两个地点见到的黯淡弥漫银河，浮贴在地平线山峰上方。也因此在图像拼接之后，<a href="http://www.comgeo.net/archives/1077" target="_blank">黄道光</a>形成了一道绵延南北半球夜空的微弱的S型光带。<a  href="http://apod.nasa.gov/apod/image/1107/DoubleGalactic_tezelguisard.jpg" target="_blank">大图</a> <span class='read-more'><a  href="http://www.comgeo.net/archives/9131">浏览全文»</a></span></p><div class="clear-float"></div>
		<hr />
<p><small>© comgeo for <a href="http://www.comgeo.net">地理时间</a>, 2011. |
<a href="http://www.comgeo.net/archives/9131">原文链接</a> |
<a href="http://www.comgeo.net/archives/9131#comments">1 comment</a> | 
<a href="http://www.weibo.com/comgeo">@地理时间</a> | 
图片托管于<a href="http://v.yupoo.com/p/comgeo/?utm_source=comgeo&utm_medium=comgeorss&utm_campaign=comgeorss" target="_blank">又拍网</a>
<br/>
Post tags: <a href="http://www.comgeo.net/archives/tag/apod" rel="tag">APOD</a><br/>
</small></p>]]></content:encoded>
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		<slash:comments>1</slash:comments>
		</item>
		<item>
		<title>APOD天文美图8P</title>
		<link>http://www.comgeo.net/archives/8900</link>
		<comments>http://www.comgeo.net/archives/8900#comments</comments>
		<pubDate>Thu, 21 Jul 2011 01:00:05 +0000</pubDate>
		<dc:creator>comgeo</dc:creator>
				<category><![CDATA[天文]]></category>
		<category><![CDATA[APOD]]></category>

		<guid isPermaLink="false">http://www.comgeo.net/?p=8900</guid>
		<description><![CDATA[<p><strong>三角形的火山影</strong></p><p><a href="http://apod.nasa.gov/apod/image/1107/teideshadow_casado_2000.jpg" target="_blank"></a></p><p>这火山的影子怎么看起来是三角形呢？泰德火山(Mount Teide volcano)地貌本身并非是影子所呈现的精确金字塔形状，这样的三角形影子并非是泰德火山专属，事实是站立于巨峰或火山的峰顶时，经常可见这样的现象。主要的因素是当观测者俯视那日落(或日出)的光线投影在遥远的地平面处。即使巨大的火山是个完美的立方体，影子也会是长方形，并且当峰顶的影子投射到遥远地平面处时，逐渐变成锥形，就如同是平行铁轨在遥远地平面一样。这张壮观影像前景是西班牙加那利群岛的特内里费岛的Pico Viejo火山，近满月的月亮则是在上个月月全食过后不久所拍摄的。（点击图片可大图轮播及下载） <span class='read-more'><a href='http://www.comgeo.net/archives/8900'>浏览全文»</a></span></p><div class="clear-float"></div>
		]]></description>
			<content:encoded><![CDATA[<div class="ta-pageimg-left">
		<a  href="http://www.comgeo.net/archives/8900" rel="nofollow" title="APOD天文美图8P" target="_blank"><img alt="APOD天文美图8P" width="100" src="http://pic.yupoo.com/comgeo/Beql6KGH/thumb.jpg" onmouseover="this.style.backgroundColor='#39b8ff'" onmouseout="this.style.backgroundColor='#FFFFFF'" /></a>
		</div><p><strong>三角形的火山影</strong></p><p><a  href="http://apod.nasa.gov/apod/image/1107/teideshadow_casado_2000.jpg" target="_blank"></a></p><p>这火山的影子怎么看起来是三角形呢？泰德火山(Mount Teide volcano)地貌本身并非是影子所呈现的精确金字塔形状，这样的三角形影子并非是泰德火山专属，事实是站立于巨峰或火山的峰顶时，经常可见这样的现象。主要的因素是当观测者俯视那日落(或日出)的光线投影在遥远的地平面处。即使巨大的火山是个完美的立方体，影子也会是长方形，并且当峰顶的影子投射到遥远地平面处时，逐渐变成锥形，就如同是平行铁轨在遥远地平面一样。这张壮观影像前景是西班牙加那利群岛的特内里费岛的Pico Viejo火山，近满月的月亮则是在上个月月全食过后不久所拍摄的。（点击图片可大图轮播及下载） <span class='read-more'><a href='http://www.comgeo.net/archives/8900'>浏览全文»</a></span></p><div class="clear-float"></div>
		<hr />
<p><small>© comgeo for <a href="http://www.comgeo.net">地理时间</a>, 2011. |
<a href="http://www.comgeo.net/archives/8900">原文链接</a> |
<a href="http://www.comgeo.net/archives/8900#comments">1 comment</a> | 
<a href="http://www.weibo.com/comgeo">@地理时间</a> | 
图片托管于<a href="http://v.yupoo.com/p/comgeo/?utm_source=comgeo&utm_medium=comgeorss&utm_campaign=comgeorss" target="_blank">又拍网</a>
<br/>
Post tags: <a href="http://www.comgeo.net/archives/tag/apod" rel="tag">APOD</a><br/>
</small></p>]]></content:encoded>
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		<slash:comments>1</slash:comments>
		</item>
		<item>
		<title>月球南极阴影</title>
		<link>http://www.comgeo.net/archives/7628</link>
		<comments>http://www.comgeo.net/archives/7628#comments</comments>
		<pubDate>Wed, 04 May 2011 03:29:13 +0000</pubDate>
		<dc:creator>fives</dc:creator>
				<category><![CDATA[天文]]></category>
		<category><![CDATA[APOD]]></category>
		<category><![CDATA[月球]]></category>

		<guid isPermaLink="false">http://www.comgeo.net/?p=7628</guid>
		<description><![CDATA[<p><a href="http://apod.nasa.gov/apod/image/1104/SouthPoleShadows_lro.jpg" target="_blank"></a></p><p>一张多时相的光照图。在拍摄这张图时，绕月探测器上的广角照相机在 6 个月球天（6 个地球月）的时间段内拍摄了 1700 张照片，反复拍摄下了月球南极中央的一片区域。在转换为二进制值（阴影像素为 0，明亮像素为 1）后的图片被叠加起来，产生了一张图，它代表了月球表面上每一点受到阳光照射的时间比例。直径 19 千米的 Shackleton 环形山在图中央附近，是一片阴影很深的区域。月球的南极本身大约在环形山的边缘 9 点钟的位置上。由于月球的自转轴与黄道平面几乎是垂直的，所以靠近月球南北极的环形山的底部会处在永久的阴影之中，而山顶则几乎一直得到阳光的照耀。这被阴影覆盖的环形山底部非常适合作为未来的前哨站，可以在这些地方建造水库，储存冰，而被阳光照射的山顶是太阳能电池阵列的理想场所。 <span class='read-more'><a href='http://www.comgeo.net/archives/7628'>浏览全文»</a></span></p><div class="clear-float"></div>
		]]></description>
			<content:encoded><![CDATA[<div class="ta-pageimg-left">
		<a  href="http://www.comgeo.net/archives/7628" rel="nofollow" title="月球南极阴影" target="_blank"><img alt="月球南极阴影" width="100" src="http://pic.yupoo.com/comgeo/B2BMChxg/thumb.jpg" onmouseover="this.style.backgroundColor='#39b8ff'" onmouseout="this.style.backgroundColor='#FFFFFF'" /></a>
		</div><p><a  href="http://apod.nasa.gov/apod/image/1104/SouthPoleShadows_lro.jpg" target="_blank"></a></p><p>一张多时相的光照图。在拍摄这张图时，绕月探测器上的广角照相机在 6 个月球天（6 个地球月）的时间段内拍摄了 1700 张照片，反复拍摄下了月球南极中央的一片区域。在转换为二进制值（阴影像素为 0，明亮像素为 1）后的图片被叠加起来，产生了一张图，它代表了月球表面上每一点受到阳光照射的时间比例。直径 19 千米的 Shackleton 环形山在图中央附近，是一片阴影很深的区域。月球的南极本身大约在环形山的边缘 9 点钟的位置上。由于月球的自转轴与黄道平面几乎是垂直的，所以靠近月球南北极的环形山的底部会处在永久的阴影之中，而山顶则几乎一直得到阳光的照耀。这被阴影覆盖的环形山底部非常适合作为未来的前哨站，可以在这些地方建造水库，储存冰，而被阳光照射的山顶是太阳能电池阵列的理想场所。 <span class='read-more'><a href='http://www.comgeo.net/archives/7628'>浏览全文»</a></span></p><div class="clear-float"></div>
		<hr />
<p><small>© fives for <a href="http://www.comgeo.net">地理时间</a>, 2011. |
<a href="http://www.comgeo.net/archives/7628">原文链接</a> |
<a href="http://www.comgeo.net/archives/7628#comments">No comment</a> | 
<a href="http://www.weibo.com/comgeo">@地理时间</a> | 
图片托管于<a href="http://v.yupoo.com/p/comgeo/?utm_source=comgeo&utm_medium=comgeorss&utm_campaign=comgeorss" target="_blank">又拍网</a>
<br/>
Post tags: <a href="http://www.comgeo.net/archives/tag/apod" rel="tag">APOD</a>, <a href="http://www.comgeo.net/archives/tag/moon" rel="tag">月球</a><br/>
</small></p>]]></content:encoded>
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		</item>
		<item>
		<title>天文美图：里约清晨的唯美月落</title>
		<link>http://www.comgeo.net/archives/7472</link>
		<comments>http://www.comgeo.net/archives/7472#comments</comments>
		<pubDate>Fri, 22 Apr 2011 01:30:00 +0000</pubDate>
		<dc:creator>comgeo</dc:creator>
				<category><![CDATA[天文]]></category>
		<category><![CDATA[摄影]]></category>
		<category><![CDATA[APOD]]></category>

		<guid isPermaLink="false">http://www.comgeo.net/?p=7472</guid>
		<description><![CDATA[<p>上周一，当太阳升起，一轮近乎满月的月亮在巴西里约热内卢的天际渐渐落下。前景中，泛红的晨曦点亮了延伸于大西洋的海岸线。向西望去，是去里约<a href="http://www.comgeo.net/archives/5648">伊帕内玛海滩</a>沿途最熟悉的一道风景：维迪加尔贫民窟就依偎在 Morro Dois Irmãos(Two Brothers Hill, 两兄弟山)的双峰下。这张多重曝光合成的精美图片记录了一次平稳但具有观赏性的月落过程，每一帧之间间隔6.5分钟。破晓时分所有的海鸟从巢里飞出来，它们只在最后一帧出现（让宁静的画面突然跃动起来）。摄影：Babak Tafreshi / <a href="http://apod.nasa.gov/apod/image/1104/MoonsetRio-s.jpg">大图</a> <span class='read-more'><a href='http://www.comgeo.net/archives/7472'>浏览全文»</a></span></p><div class="clear-float"></div>
		]]></description>
			<content:encoded><![CDATA[<div class="ta-pageimg-left">
		<a  href="http://www.comgeo.net/archives/7472" rel="nofollow" title="天文美图：里约清晨的唯美月落" target="_blank"><img alt="天文美图：里约清晨的唯美月落" width="100" src="http://pic.yupoo.com/comgeo/B0K2wc7F/thumb.jpg" onmouseover="this.style.backgroundColor='#39b8ff'" onmouseout="this.style.backgroundColor='#FFFFFF'" /></a>
		</div><p>上周一，当太阳升起，一轮近乎满月的月亮在巴西里约热内卢的天际渐渐落下。前景中，泛红的晨曦点亮了延伸于大西洋的海岸线。向西望去，是去里约<a  href="http://www.comgeo.net/archives/5648">伊帕内玛海滩</a>沿途最熟悉的一道风景：维迪加尔贫民窟就依偎在 Morro Dois Irmãos(Two Brothers Hill, 两兄弟山)的双峰下。这张多重曝光合成的精美图片记录了一次平稳但具有观赏性的月落过程，每一帧之间间隔6.5分钟。破晓时分所有的海鸟从巢里飞出来，它们只在最后一帧出现（让宁静的画面突然跃动起来）。摄影：Babak Tafreshi / <a  href="http://apod.nasa.gov/apod/image/1104/MoonsetRio-s.jpg">大图</a> <span class='read-more'><a  href="http://www.comgeo.net/archives/7472">浏览全文»</a></span></p><div class="clear-float"></div>
		<hr />
<p><small>© comgeo for <a href="http://www.comgeo.net">地理时间</a>, 2011. |
<a href="http://www.comgeo.net/archives/7472">原文链接</a> |
<a href="http://www.comgeo.net/archives/7472#comments">No comment</a> | 
<a href="http://www.weibo.com/comgeo">@地理时间</a> | 
图片托管于<a href="http://v.yupoo.com/p/comgeo/?utm_source=comgeo&utm_medium=comgeorss&utm_campaign=comgeorss" target="_blank">又拍网</a>
<br/>
Post tags: <a href="http://www.comgeo.net/archives/tag/apod" rel="tag">APOD</a>, <a href="http://www.comgeo.net/archives/tag/photography" rel="tag">摄影</a><br/>
</small></p>]]></content:encoded>
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		</item>
		<item>
		<title>两张壮丽的日落图</title>
		<link>http://www.comgeo.net/archives/3605</link>
		<comments>http://www.comgeo.net/archives/3605#comments</comments>
		<pubDate>Mon, 16 Aug 2010 18:31:52 +0000</pubDate>
		<dc:creator>comgeo</dc:creator>
				<category><![CDATA[天文]]></category>
		<category><![CDATA[APOD]]></category>

		<guid isPermaLink="false">http://www.comgeo.net/?p=3605</guid>
		<description><![CDATA[<p>感谢<strong>小楷</strong>的投稿，<a href="http://xshaobao.com/2010/08/12/sunset-2/">链接</a></p><p><strong>日落时的彩虹</strong>：7月28日摄于德国北部城市波茨坦，360度全景照片。恰巧西边天际的乌云散开一道口子，露出日落的景象，同时也产生了彩虹，我们有幸看到这般壮丽的日落和彩虹。查看<a href="http://antwrp.gsfc.nasa.gov/apod/image/1008/regenbogen360grd_thinius_1c600h.jpg">超级大图</a>请猛击<a href="http://antwrp.gsfc.nasa.gov/apod/ap100807.html">来源</a>。 <span class='read-more'><a href='http://www.comgeo.net/archives/3605'>浏览全文»</a></span></p><div class="clear-float"></div>
		]]></description>
			<content:encoded><![CDATA[<div class="ta-pageimg-left">
		<a  href="http://www.comgeo.net/archives/3605" rel="nofollow" title="两张壮丽的日落图" target="_blank"><img alt="两张壮丽的日落图" width="100" src="http://pic.yupoo.com/comgeo/Ap0aMjFT/thumb.jpg" onmouseover="this.style.backgroundColor='#39b8ff'" onmouseout="this.style.backgroundColor='#FFFFFF'" /></a>
		</div><p>感谢<strong>小楷</strong>的投稿，<a  href="http://xshaobao.com/2010/08/12/sunset-2/">链接</a></p><p><strong>日落时的彩虹</strong>：7月28日摄于德国北部城市波茨坦，360度全景照片。恰巧西边天际的乌云散开一道口子，露出日落的景象，同时也产生了彩虹，我们有幸看到这般壮丽的日落和彩虹。查看<a  href="http://antwrp.gsfc.nasa.gov/apod/image/1008/regenbogen360grd_thinius_1c600h.jpg">超级大图</a>请猛击<a  href="http://antwrp.gsfc.nasa.gov/apod/ap100807.html">来源</a>。 <span class='read-more'><a  href="http://www.comgeo.net/archives/3605">浏览全文»</a></span></p><div class="clear-float"></div>
		<hr />
<p><small>© comgeo for <a href="http://www.comgeo.net">地理时间</a>, 2010. |
<a href="http://www.comgeo.net/archives/3605">原文链接</a> |
<a href="http://www.comgeo.net/archives/3605#comments">No comment</a> | 
<a href="http://www.weibo.com/comgeo">@地理时间</a> | 
图片托管于<a href="http://v.yupoo.com/p/comgeo/?utm_source=comgeo&utm_medium=comgeorss&utm_campaign=comgeorss" target="_blank">又拍网</a>
<br/>
Post tags: <a href="http://www.comgeo.net/archives/tag/apod" rel="tag">APOD</a><br/>
</small></p>]]></content:encoded>
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		</item>
		<item>
		<title>美哉！阿拉穆特的星空</title>
		<link>http://www.comgeo.net/archives/3219</link>
		<comments>http://www.comgeo.net/archives/3219#comments</comments>
		<pubDate>Sat, 26 Jun 2010 18:04:16 +0000</pubDate>
		<dc:creator>comgeo</dc:creator>
				<category><![CDATA[天文]]></category>
		<category><![CDATA[APOD]]></category>
		<category><![CDATA[NASA]]></category>
		<category><![CDATA[伊朗]]></category>
		<category><![CDATA[星空]]></category>

		<guid isPermaLink="false">http://www.comgeo.net/?p=3219</guid>
		<description><![CDATA[<p><a href="http://apod.nasa.gov/apod/image/1006/Alamut-Babak1.jpg">900*900原图</a></p><p>在这片星夜画面中，壮观的阿拉穆特要塞上空出现了一道流星轨迹以及悬挂着的银河弧线。阿拉穆特城堡位于伊朗的奥保兹山脉中央，于公元9世纪建造于岩石中。这个名字意为鹰的巢穴。在冒险电影波斯王子中这里是刺客的老巢，传说中的阿拉穆特还是历史上图书和教育的中心。这里一度是波斯著名天文学家Nasir al-Din al-Tusi居住的地方。为了辨认夜空中让Tusi陷入沉思的星星，将你的鼠标放到影像上（见下面的星座图）。影像突出的天体包括天鹅座内的明亮白色恒星天津四，织女星以及牛郎星，位于银河系中心附近的星云，以及银河系内被称为大暗隙的黑暗模糊尘埃云。影像右下方的光分别来自小村庄以及远在西南方向100多公里外的德黑兰。 <span class='read-more'><a href='http://www.comgeo.net/archives/3219'>浏览全文»</a></span></p><div class="clear-float"></div>
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			<content:encoded><![CDATA[<div class="ta-pageimg-left">
		<a  href="http://www.comgeo.net/archives/3219" rel="nofollow" title="美哉！阿拉穆特的星空" target="_blank"><img alt="美哉！阿拉穆特的星空" width="100" src="http://pic.yupoo.com/comgeo/85157989b4d6/thumb.jpg" onmouseover="this.style.backgroundColor='#39b8ff'" onmouseout="this.style.backgroundColor='#FFFFFF'" /></a>
		</div><p><a  href="http://apod.nasa.gov/apod/image/1006/Alamut-Babak1.jpg">900*900原图</a></p><p>在这片星夜画面中，壮观的阿拉穆特要塞上空出现了一道流星轨迹以及悬挂着的银河弧线。阿拉穆特城堡位于伊朗的奥保兹山脉中央，于公元9世纪建造于岩石中。这个名字意为鹰的巢穴。在冒险电影波斯王子中这里是刺客的老巢，传说中的阿拉穆特还是历史上图书和教育的中心。这里一度是波斯著名天文学家Nasir al-Din al-Tusi居住的地方。为了辨认夜空中让Tusi陷入沉思的星星，将你的鼠标放到影像上（见下面的星座图）。影像突出的天体包括天鹅座内的明亮白色恒星天津四，织女星以及牛郎星，位于银河系中心附近的星云，以及银河系内被称为大暗隙的黑暗模糊尘埃云。影像右下方的光分别来自小村庄以及远在西南方向100多公里外的德黑兰。 <span class='read-more'><a  href="http://www.comgeo.net/archives/3219">浏览全文»</a></span></p><div class="clear-float"></div>
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