Jupiter's moon Europa is covered in weird double ridges. Now one's been spotted in Greenland - Syfy

Europa's double ice ridges have an analog in Greenland, may support idea of life in undersurface ocean of Jupiter's moon.

Europa is one of the most intriguing worlds in the solar system. Its the smallest of Jupiters big moons, and just a wee bit smaller than our own Moon. When the two Voyager spacecraft flew by in 1979… [+6667 chars]

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