bolha.us

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小太阳君<a href="https://b612.me/tags/APoD" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#APoD</a> <a href="https://b612.me/tags/%E6%AF%8F%E6%97%A5%E4%B8%80%E5%9B%BE" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#每日一图</a> <a href="https://b612.me/tags/2025%E5%B9%B404%E6%9C%8813%E6%97%A5" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#2025年04月13日</a>火星上的不寻常坑洞 这个不寻常的坑洞是怎么产生的？ 事实上，在这片酷似瑞士奶酪般的景观里，到处都是圆洞；不过，除了其中一个之外，其他的在淡色的二氧化碳干冰蒸发后，都露出了下方满是尘土的火星表面。 这个位在影像右上角的不寻常坑洞，宽度大约100公尺，而且看似贯穿到了下层。 然而，为何会有这个坑洞存在及为何它周围环绕著圆形的撞击坑，至今仍然众说纷纭。 不过，最为大家接受的假说宣称它是源自陨石撞击。 像这类的坑洞之所以特别有趣，是因为它们可能是深入下层大型地下坑洞的入口。 而这种自然形成的坑道，与严酷的火星表面有相当程度的隔绝，因此它们是保有火星生命的可能地点。 也因此，这种坑洞会是未来太空船、探测器甚至行星际人类探险者的主要探索标的。

Elena. (she/ her)I love the <a href="https://apod.nasa.gov/apod/lib/aptree.html" rel="nofollow noopener noreferrer" target="_blank">NASA Astronomy Picture of the Day website</a>. It's OG 90s, complete with HMTL tables. It's probably an accessibility nightmare. But it is web history completely alive and well. Their RSS feed linked at the bottom of their <a href="https://apod.nasa.gov/apod/astropix.html" rel="nofollow noopener noreferrer" target="_blank">main page</a> (the one with today's picture) however is not a valid one and does not work. But there's another one listed on the <a href="https://apod.nasa.gov/apod/lib/about_apod.html" rel="nofollow noopener noreferrer" target="_blank">About</a> page: <a href="http://antwrp.gsfc.nasa.gov/apod.rss" rel="nofollow noopener noreferrer" target="_blank">http://antwrp.gsfc.nasa.gov/apod.rss</a> This one works. They have an official bot here in the fedi: <a href="https://reentry.codl.fr/@apod" class="u-url mention" rel="nofollow noopener noreferrer" target="_blank">@apod@reentry.codl.fr</a> <a href="https://ibe.social/tags/NASA" rel="nofollow noopener noreferrer" target="_blank">#NASA</a> <a href="https://ibe.social/tags/APOD" rel="nofollow noopener noreferrer" target="_blank">#APOD</a> <a href="https://ibe.social/tags/oldWeb" rel="nofollow noopener noreferrer" target="_blank">#oldWeb</a>

NASAAn Unusual Hole in Mars <a href="https://apod.nasa.gov/apod/ap250413.html" rel="nofollow noopener noreferrer" translate="no" target="_blank">https://apod.nasa.gov/apod/ap250413.html</a> <a href="https://social.beachcom.org/tags/APOD" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#APOD</a>

Astronomy Picture of the DayAn Unusual Hole in Mars Image Credit: NASA, MRO, HiRISE, JPL, U. Arizona <a href="https://apod.nasa.gov/apod/ap250413.html" rel="nofollow noopener noreferrer" target="_blank">https://apod.nasa.gov/apod/ap250413.html</a> <a href="https://reentry.codl.fr/tags/apod" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#APOD</a>

FaBom-dia :) - <a href="https://mastodon.social/tags/APOD" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#APOD</a> - Lua Perto da Borda - Abr 12 - <a href="https://bsky.app/profile/apodunofficial.bsky.social/post/3lmlvtmtihq2n" rel="nofollow noopener noreferrer" translate="no" target="_blank">https://bsky.app/profile/apodunofficial.bsky.social/post/3lmlvtmtihq2n</a> - A maioria de nós vê a Lua à noite...a Lua diurna é frequentemente visível até mesmo em céus urbanos... aqui em uma foto tirada em 12/03, a Lua alinhou-se perto da borda de um mirante com vista p/ Manhattan, New York -

FaBom-dia :) - <a href="https://mastodon.social/tags/APOD" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#APOD</a> - Moon Near the Edge - Abr 12 - Lua Perto da Borda - <a href="https://apod.nasa.gov/apod/ap250412.html" rel="nofollow noopener noreferrer" translate="no" target="_blank">https://apod.nasa.gov/apod/ap250412.html</a> - A maioria de nós vê a Lua à noite. Mas a Lua passa quase tantas horas diurnas acima do nosso horizonte — embora, sob o céu claro do dia, seu disco pareça pálido e possa ser um pouco mais difícil de enxergar... a Lua diurna é frequentemente visível até mesmo em céus urbanos. aqui em uma foto tirada em 12/03, a Lua alinhou-se perto da borda de um mirante com vista para Manhattan, em New York -

小太阳君<a href="https://b612.me/tags/APoD" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#APoD</a> <a href="https://b612.me/tags/%E6%AF%8F%E6%97%A5%E4%B8%80%E5%9B%BE" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#每日一图</a> <a href="https://b612.me/tags/2025%E5%B9%B404%E6%9C%8812%E6%97%A5" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#2025年04月12日</a>观景台旁的月亮 人们通常只在夜晚观赏月亮， 其实，白昼时，月亮也经常高挂在天际。 只是在白昼明亮的天光里，月盘看起来颇为暗淡，也较难辨识。 想当然耳，高悬在白昼天空中、不停反射阳光的月亮，同样也会因绕行地球而经历月相变化。 对白天的赏月者来说，近满相的渐盈月及刚过满相的渐亏月，因为日耀区广宽，辨识上相对容易。 虽然白天看月亮说来有些违和，但月亮的身影其实也经常出现在都市的天空中。 而这幅摄于3月12日的长焦镜头影像，即可为证。 影像中，渐盈月恰好从美国纽约市曼哈顿区，一座热门的观景台后方冒出头来。

NASAMoon Near the Edge <a href="https://apod.nasa.gov/apod/ap250412.html" rel="nofollow noopener noreferrer" translate="no" target="_blank">https://apod.nasa.gov/apod/ap250412.html</a> <a href="https://social.beachcom.org/tags/APOD" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#APOD</a>

Astronomy Picture of the DayMoon Near the Edge Image Credit & Copyright: Jordi Coy <a href="https://apod.nasa.gov/apod/ap250412.html" rel="nofollow noopener noreferrer" target="_blank">https://apod.nasa.gov/apod/ap250412.html</a> <a href="https://reentry.codl.fr/tags/apod" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#APOD</a>

小太阳君<a href="https://b612.me/tags/APoD" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#APoD</a> <a href="https://b612.me/tags/%E6%AF%8F%E6%97%A5%E4%B8%80%E5%9B%BE" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#每日一图</a> <a href="https://b612.me/tags/2025%E5%B9%B404%E6%9C%8811%E6%97%A5" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#2025年04月11日</a>国际太空站邂逅金星 在2025年的4月5日，美国华盛顿州岸线市（Shoreline）的一位天文爱好者，使用以阳伞遮挡炫目阳光的望远镜，在太平洋时间上午11:57 ，拍下一部精心策划的影片，成功的记录了在白昼晴朗天空中闪耀的蛾眉相金星。 在此同时，影片的某个定格也意外的拍到国际太空站（ISS）。 于这个影片定格里，这座轨道高度约400公里的前哨站与明亮金星发生近合，而在视觉上，其隐约的轮廓和纤细的蛾眉相金星大小相近。 想当然耳，国际太空站必然远小于金星，目前在日出前以晨星之姿高悬在东方地平线上空的明亮金星，距离岸线市约有4500万公里远。

NASAThe ISS Meets Venus <a href="https://apod.nasa.gov/apod/ap250411.html" rel="nofollow noopener noreferrer" translate="no" target="_blank">https://apod.nasa.gov/apod/ap250411.html</a> <a href="https://social.beachcom.org/tags/APOD" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#APOD</a>

FaBom-dia :) - <a href="https://mastodon.social/tags/APOD" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#APOD</a> - A ISS Encontra Vênus - Abr 11 - <a href="https://bsky.app/profile/apodunofficial.bsky.social/post/3lmjfepiyw52v" rel="nofollow noopener noreferrer" translate="no" target="_blank">https://bsky.app/profile/apodunofficial.bsky.social/post/3lmjfepiyw52v</a> - ...um vídeo planejado registrou Vênus em fase crescente brilhando nos céus diurnos de Shoreline, Washington, EUA, às 11h57 (horário do Pacífico). O frame também capturou a ISS... -

FaBom-dia :) - <a href="https://mastodon.social/tags/APOD" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#APOD</a> - The ISS Meets Venus - Abr 11 - A ISS Encontra Vênus - <a href="https://apod.nasa.gov/apod/ap250411.html" rel="nofollow noopener noreferrer" translate="no" target="_blank">https://apod.nasa.gov/apod/ap250411.html</a> - ...um vídeo planejado registrou Vênus em fase crescente brilhando nos céus diurnos de Shoreline, Washington, EUA, às 11h57 (horário do Pacífico). O frame também capturou a ISS.Em conjunção com o planeta, o contorno tênue da estação orbital — vista a uma distância de cerca de 400 km — parece ter um tamanho semelhante ao fino crescente de Vênus. Claro, a ISS é muito menor que Vênus!... -

FaBom-dia :) - <a href="https://mastodon.social/tags/APOD" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#APOD</a> - 38 Horas com o Grupo de Galáxias M81 - Abr 10 - <a href="https://bsky.app/profile/apodunofficial.bsky.social/post/3lmguvtnux62l" rel="nofollow noopener noreferrer" translate="no" target="_blank">https://bsky.app/profile/apodunofficial.bsky.social/post/3lmguvtnux62l</a> - ...M81, a Galáxia de Bode, aparece quase no centro, c/ braços espirais e núcleo amarelo brilhante tem cerca de 100.000 anos-luz. Perto do topo, está a galáxia irregular M82, em formato de charuto... -

FaBom-dia :) - <a href="https://mastodon.social/tags/APOD" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#APOD</a> - 38 Hours with the M81 Group - Abr 10 - 38 Horas com o Grupo de Galáxias M81 - <a href="https://apod.nasa.gov/apod/ap250410.html" rel="nofollow noopener noreferrer" translate="no" target="_blank">https://apod.nasa.gov/apod/ap250410.html</a> - Da Terra, 38 horas de exposição com uma câmera e um pequeno telescópio foi obtida esta foto do grupo de galáxias M81... M81, a Galáxia de Bode, aparece quase no centro da imagem, exibindo seus magníficos braços espirais e um núcleo amarelo brilhante tem cerca de 100.000 anos-luz de diâmetro. Perto do topo, está a galáxia irregular M82, em formato de charuto... -

Astronomy Picture of the DayThe ISS Meets Venus Image Credit & Copyright: A.J. Smadi <a href="https://apod.nasa.gov/apod/ap250411.html" rel="nofollow noopener noreferrer" target="_blank">https://apod.nasa.gov/apod/ap250411.html</a> <a href="https://reentry.codl.fr/tags/apod" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#APOD</a>

小太阳君<a href="https://b612.me/tags/APoD" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#APoD</a> <a href="https://b612.me/tags/%E6%AF%8F%E6%97%A5%E4%B8%80%E5%9B%BE" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#每日一图</a> <a href="https://b612.me/tags/2025%E5%B9%B404%E6%9C%8810%E6%97%A5" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#2025年04月10日</a>38小时长曝光的星系群M81 在地球上的一座花园里，透过小望远镜与相机进行38小时的长曝光，拍下了这幅令人赞叹的M81星系群影像。 于视野中心，最醒目的是拥有壮丽螺旋臂与明亮黄色核心、直径约10万光年、亦名为波德星系的M81星系。 视野顶缘的雪茄状星系，则是分类为不规则星系的M82。 这对星系在过去的10亿年之中，一直透过重力进行互扰，在一次次的近距离遭遇中，对彼此施加重大的影响。 约于1亿年前的最新一次接近中，所激发的密度波在M81的螺旋臂上，造就了大量的恒星诞生区。 而M82也因此次的剧烈互扰，发生爆发性的恒星诞生与气体云碰撞，并发出强烈的X射线辉光。 在未来的数十亿年里，这两个星系还会继续缠斗，最终让它们合并成单个大星系。 而在大螺旋星系M81的左下方，还可看到M81星系群的另一个成员星系NGC 3077。 M81星系群位于北天的大熊座方向，离我们约1,200万光年远。 在这幅广角影像的前景里，还可见到许多位于银河系盘面上方，微微反射星光、名为共照耀星云（IFN）的昏暗星际尘埃云。

Khurram Wadee ✅38 Hours with the <a href="https://mastodon.org.uk/tags/M81" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#M81</a> Group <a href="https://mastodon.org.uk/tags/Astronomy" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Astronomy</a> <a href="https://mastodon.org.uk/tags/Picture" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Picture</a> of the Day<a href="https://apod.nasa.gov/apod/ap250410.html" rel="nofollow noopener noreferrer" translate="no" target="_blank">https://apod.nasa.gov/apod/ap250410.html</a><a href="https://mastodon.org.uk/tags/APOD" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#APOD</a>

NASA38 Hours with the M81 Group <a href="https://apod.nasa.gov/apod/ap250410.html" rel="nofollow noopener noreferrer" translate="no" target="_blank">https://apod.nasa.gov/apod/ap250410.html</a> <a href="https://social.beachcom.org/tags/APOD" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#APOD</a>

Astronomy Picture of the Day38 Hours with the M81 Group Image Credit & Copyright: Daniel Yang K. <a href="https://apod.nasa.gov/apod/ap250410.html" rel="nofollow noopener noreferrer" target="_blank">https://apod.nasa.gov/apod/ap250410.html</a> <a href="https://reentry.codl.fr/tags/apod" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#APOD</a>

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