January 25, 2014

Water in star dust points to origins of life in the universe

Space weathering, which works similar to geological erosion on the earth, produces water in the rims of tiny particles of interplanetary dust.

The discovery may have implications on the origins of life and sources of water throughout the galaxy. As a byproduct of star formation, water ice is the most abundant solid material in the universe. But this new source was a surprise.