This montage of photos, taken by various NASA spacecraft, shows the order of planets in the solar system.

这张蒙太奇照片，由各种美国宇航局飞船所获得的多种照片构成，它显示了太阳系行星的次秩。

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The images posted Thursday on the NASA Web site include a two-minute video montage with highlights of the moonwalk, and separate videos of Armstrong and Aldrin descending a ladder to the moon's dusty surface.

CNN: NASA releases clearest videos yet of 1969 moonwalk