Japanese scientists have detected evidence of water in 17 asteroids for the first time using data from the infrared satellite AKARI.
This discovery will contribute to our understanding of the distribution of water in our solar system, the evolution of asteroids, and the origin of water on Earth, researchers said.
Our Earth is an aqua-planet, and is the only planet in our solar system where the presence of water on the planet surface has been confirmed. However, scientists are not yet sure how our Earth acquired water.
Recent studies have shown that other celestial bodies in our solar system have, or used to have, water in some form. Asteroids are considered to be one of the candidates that brought water to Earth.
Researchers from Japan Aerospace Exploration Agency (JAXA) and University of Tokyo found that water is retained in asteroids as hydrated minerals, which were produced by chemical reactions of water and anhydrous rocks that occurred inside the asteroids
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