Title Text:The Mercator projection drastically distorts the size of almost every area of land except a small ring around the North and South Poles. Origin:https://xkcd.com/2911/ https://www.explainxkcd.com/wiki/index.php/2911:_Greenland_Size 格陵兰岛大小 麦卡托投影法会扭曲那些大陆现实中的大小除了南北极的那一小圈。 https://xkcd.in/comic?lg=cn&id=2911 “口袋地图真是个有用的东西！”我说道。“这也是我们从你们国家学到的另一件事，”梅因·赫尔说，“制图。不过我们比你们做得… Read more
Title Text:You know that asteroid that almost destroyed Earth in the 90s? Turns out the whole thing was secretly created by Michael Bay, who then PAID Bruce Willis and Ben Affleck to look heroic while blowing it up! Origin:https://xkcd.com/2910/ https://www.explainxkcd.com/wiki/index.php/2910:_The_Wreck_of_the_Edmund_Fitzgerald…
Title Text:If you pick a low enough orbit, it gives you a lot of freedom to use a lightweight launch vehicle such as a stepladder. Origin:https://xkcd.com/2909/ https://www.explainxkcd.com/wiki/index.php/2909:_Moon_Landing_Mission_Profiles 登月任务简介 如果你选择一个足够低的轨道，你就能自由选择一种轻量级的发射载具，比如折叠式梯子。 https://xkcd.in/comic?lg=cn&id=2909 把宇航员送到月球（并安全返回地球）是困难的。有几种不同的策略可以实现这个目标。这个漫画回顾了阿波罗登月任… Read more
Title Text:Astronomers are a little unsure of the applicability of this index, but NASA’s Planetary Protection Officer is all in favor. Origin:https://xkcd.com/2908/ https://www.explainxkcd.com/wiki/index.php/2908:_Moon_Armor_Index 卫星护甲指数 虽然天文学家们对这个指数是否适用持怀疑态度，但NASA的行星保护官则对这个概念非常赞成。 注1：萨拉西亚星（Salacia）、妊神星（Haumea）、奎奥厄星（Quaoar）、共工星（Gonggong）都是柯伊伯带的小型天体，它们都有卫星。 注2：卡戎（Char… Read more
Title Text:Doug’s cousin, the one from London, runs a Bumble love cult. Origin:https://xkcd.com/2907/ https://www.explainxkcd.com/wiki/index.php/2907:_Schwa 中央元音 Doug’s cousin, the one from London, runs a Bumble love cult. 注：中央元音（mid central vowel (schwa)）是一个元音，常出现于口语。中央元音在国际音标里以⟨ə⟩表示，位于元音表最中央的位置（纵坐标为元音高度，横坐标为元音舌位），由于中央元音特别容易发音，所以快速说话的时候很多元音会被不自觉地发作⟨ə⟩。 https://xkcd… Read more
Title Text:Just think of all the countless petty squabbles and misunderstandings, of all the fervent hatreds, over so insignificant a thing as the direction and duration of a rocket engine firing. Origin:https://xkcd.com/2906/ https://www.explainxkcd.com/wiki/index.php/2906:_Earth 地球 想想所有那些数不胜数的微小的争吵和误解、那些强烈的仇恨，都来自于像火箭发动机点火的方向和持续时间这种无关紧要的事。 注：《暗淡蓝点》 ，是一张1990年2月14日由旅行者1号拍摄的著名地球照片，显示了地… Read more
Title Text:I love their cover of 1,200 Balloons, Dalmatians, and Miles. Origin:https://xkcd.com/2905/ https://www.explainxkcd.com/wiki/index.php/2905:_Supergroup 超级乐团 我喜欢1200 Red Balloons，Dalmatians，Miles的专辑封面。 注： 漫画中提到的乐团分别是Twenty One Pilots、5 Seconds of Summer、4 Non Blondes、2 Live Crew、100 gecs、3 Doors Down、Nine Inch Nails、OneRepublic、One Direction、Thirty Seconds to Mars。 Sum: 21 +…
Title Text:’At the stroke of midnight, your brother will be hurtling sideways at an altitude of 150 meters’ is a regular physics prediction about your nonmagical trebuchet, whereas ‘you are cursed to build a brother-launching trebuchet’ falls out of the…
Title Text:Actually, the fact that Mars is still orbiting safely over here means that it was technically an *Euler* apocalypse, not a Venn one. Origin:https://xkcd.com/2903/ https://www.explainxkcd.com/wiki/index.php/2903:_Earth/Venus_Venn_Diagram 地球/金星维恩图 火星仍然安全地绕着这里运行这一事实意味着，从技术上讲，这是一场“欧拉”末日，而不是维恩末日。 https://xkcd.in/comic?lg=cn&id=2903 维恩图通过展示共同和不同的元素来说明集合之间的关系和差异，使用重叠的圆… Read more
Title Text:If you find an ash deposition layer from a year in which an eruption destroyed an island that had Camellia sinensis growing on it, you can make a Gone Island Ice_蟿. Origin:https://xkcd.com/2902/ https://www.explainxkcd.com/wiki/index.php/2902:_Ice_Core 冰芯 如果你找到了火山爆发摧毁了一座生长茶树的岛屿的那一年的积灰层，你就可以制作一杯“逝岛冰茶”。 注：“逝岛冰茶”双关“长岛冰茶”，长岛冰茶（英语：Long Island Iced Tea），取名冰茶，却是在没有使用红茶的情况下，调制出具有红茶色泽……
