A new LSU research study suggests clustered pits in the Pioneer Terra region on Pluto are related to the dwarf planet's suprising robust atmosphere. The pits resemble gas pockmarks on Earth where methane seeps from the subsurface. These pits may supply atmospheric methane on Pluto.

· · 来源：class资讯

Анна Габай (Редактор отдела «Силовые структуры»)

AP writers Melissa Goldin, Tim Reynolds and John Wawrow as well as the Canadian Press contributed.

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