Whether as atomic dust or as great cities, what's the difference in all this stuff.
无论是原子般大小的尘还是宏伟的城市，这些东西有什么差别。
About 1.5 million years young, the cluster stars are near the center in this colorful skyscape, along with dark dust clouds silhouetted against glowing atomic gas.
这个星团的年龄大约只有一百五十万年，在这幅彩色图中靠近中心位置，四周是受原子气体光辉映照着的尘埃云气暗影。
The device that imaged the dust speck is called an atomic force microscope, which maps the shape of particles in three dimensions by scanning them with a sharp tip at the end of a spring.
拍摄这个尘埃的设备称为原子力显微镜，通过用弹簧末端上的一个细尖扫描尘埃来绘制这个颗粒的三维形状。
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