NASA Scientist Confirms Water Ice on Asteroid

A decades-long search by astronomers for water on an asteroid has unexpectedly turned up frozen water on a 120-mile-wide rock located well beyond Mars.

While scientists generally agree that asteroids and comets probably brought some water to Earth, as well as the carbon-based materials thought to be necessary for the origin of life on our planet, finding them has proven difficult. When these materials and water arrived on the warm Earth, four billion years ago, the conditions were suitable f [...]

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