Water detected in samples from an asteroid’s surface for the first time

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An image showing asteroid Itokawa

Source: © Japan Aerospace Exploration Agency

For the first time, water has been detected in mineral samples from the surface of an asteroid. 

The researchers who carried out the work say their findings suggest these asteroids may contain more water than is currently assumed. According to their calculations, as much as half the water in Earth’s oceans could have been delivered to the early planet by meteorite impacts.

Read the full story in Chemistry World.