November 25th, 2009
Kaguya Discovers a Lava Tube on the Moon
Image credit: JAXA/SELENE
Future lunar astronauts may want to brush up on their spelunking skills: the first lava tube has been discovered on the moon.
In a recent paper published in Geophysical Research Letters, Junichi Haruyama and colleagues report that they have discovered a mysterious hole in the lunar surface in high resolution images from the Kaguya spacecraft. The hole is 65 meters in diameter and is located in the volcanic Marius Hills region on the near side of the moon, right in the middle of a long sinuous rille. Sinuous rilles are thought to be formed by flowing lava, either on the surface or in enclosed lava tubes.
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