地球不繞太陽轉 10條知識顛覆常識

生活中有些常識和傳聞其實是錯誤的，比如地球圍繞太陽轉，鯊魚不會得癌症等等。讓我們一起修正這些錯誤的常識吧！

The Earth isn't actually orbiting around the Sun. It's orbiting around the Solar System's center of mass known as the Barycenter. Although this point often falls within the mass of the Sun, it can be shifted by the pull of larger planets. Therefore, at least some of the time, everything in the solar system is orbiting around empty space.
事實上，地球並非圍着太陽轉。它繞着太陽系的質心轉動。儘管這個質心通常位於太陽內，但由於大行星的引力，它的位置可能會移動。因此至少某些時候，太陽系的所有物體是繞着空空如也的某片宇宙轉動的。

While the Supreme Court did rule that tomatoes are vegetables in the legal sense for the purpose of taxation, they did not claim they are vegetables in any botanical sense. They are still fruits.
儘管最高法院規定西紅柿在徵稅時算蔬菜，但這並不意味着從植物學角度說，西紅柿是蔬菜。它們還是水果。

Chameleons don't change their color to blend in to their surroundings. They change their color to communicate.
變色龍變色不是爲了隱身，而是爲了和同類交流。

No bat is blind. While many species do use echolocation, some have excellent night vision and don't rely on echolocation at all.
蝙蝠不是瞎子。很多種蝙蝠使用回聲定位。但也有一些蝙蝠擁有優秀的夜視能力，它們根本不靠回聲定位。

There is no such thing as a banana tree. It's a banana plant.香蕉樹不是樹，是草本植物。

Goldfish don't have a 7 second memory. It's actually much better than that.
金魚的記憶不止7秒。

Sharks actually do get cancer.
鯊魚會得癌症。

Dogs don't sweat through their tongue. Most of their sweat glands are located in their foot pads. While panting does keep them cool, panting is not equivalent to sweating.
狗不是通過舌頭排汗。它們大部分的汗腺長在腳底的軟墊上。喘氣確實能讓它們保持涼爽，但這和流汗是兩回事。

Napoleon was actually taller than the average Frenchman.
事實上，拿破崙比同時代法國人的平均身高要高。

Vikings didn't have horns on their helmets.
維京武士的頭盔上沒有雙角。