NASA's Voyager 1 spacecraft has reached the outside edge of the solar system.

NASA的旅行者1号已到达太阳系外缘。

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Voyager 1, which took these pictures, is now 17, 216, 49, 1000 kilometres from Earth.

拍摄这些照片的“旅行者1号”如今在距地球17,216,49,1000公里的地方。

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Launched in 1977, Voyager 1 now holds that distinction at 17.5 billion kilometers from the Sun.

旅行者1号在1977年发射，现在距离太阳已经有175亿千米的距离了。

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Dubbed Voyager 1 and Voyager 2, they were designed by NASA to photograph Jupiter and Saturn.

FORBES: Magazine Article

Voyager 1 was initially given a mission life of five years but has continued to perform spectacularly.

BBC: Voyager impression (Nasa)

On the surface, the clues strongly imply that Voyager 1 has passed the limit of our solar system's influence.

ENGADGET: AGU study says Voyager 1 has reached interstellar space, but NASA remains skeptical