If the whole atom were the size of this theater, its nucleus would be like a speck of dist. Yet the nucleus contains almost all of the atom 's mass.

如果把整个原子的尺寸看成电影院大小，它的核则如同一粒灰尘大小，然而原子的质量几乎全部集中在原子核。

youdao

Pictured here as a dot only 0.12 pixels in size, the Earth is, as described by Voyager contributor Carl Sagan, "... a lonely speck in the great enveloping cosmic dark."

这个只有0.12像素的原点就是地球，正如对旅行者有所贡献的卡尔·萨根所描述的，“宇宙的一片黑暗里，它是个孤独的小点。”

youdao

Pictured here as a dot only 0.12 pixels in size, the Earth is, as described by Voyager contributor Carl Sagan, "... a lonely speck in the great enveloping cosmic dark."

这个只有0.12像素的原点就是地球，正如对旅行者有所贡献的卡尔·萨根所描述的，“宇宙的一片黑暗里，它是个孤独的小点。”

youdao