
The Sun may have created a large mass of water gas by heating the asteroids
ESA/Hubble Copyright: NASA, ESA, MA Garlick (space-art.co.uk), University of Warwick and University of Cambridge.
A vast cloud of steam ejected from cooked asteroids may have persisted in the solar system for millions of years before raining down on Earth, according to a new idea of how our planet got its water.
The The origin of Earth’s water has long puzzled scientists. It is hard to argue that our planet has always had the water we see today, because the young sun would have been so…