A Japanese Probe Just Found Water on an Asteroid

Asteroid samples gathered by the Japanese space probe Hayabusa contain water-rich minerals, suggesting that asteroid impacts could bring water to planets.

Celestial Water Balloons For the first time, scientists have measured the water content of samples from a distant asteroid. That’s thanks to a successful mission by Japan’s Hayabusa space probe, which gathered 1,500 particles from an asteroid named Itokawa and brought them back to Earth. While Itokawa seems dusty and barren, the samples contained a water-rich mineral called pyroxene, according […]

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