Proposed Mission to Neptune's Moon Triton

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Proposed NASA Mission Would Visit Neptune's Curious Moon Triton

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When NASA's Voyager 2 spacecraft flew by Neptune's strange moon Triton three decades ago, it wrote a planetary science cliffhanger.

Voyager 2 is the only spacecraft ever to have flown past Neptune, and it left a lot of unanswered questions. The views were as stunning as they were puzzling, revealing massive, dark plumes of icy material spraying out from Triton's surface. But how? Images showed that the icy landscape was young and had been resurfaced over and over with fresh material. But what material, and from where?

  Read More: NASA