long-standing mystery of where Earth’s water came from tagged posts

This view of Earth’s horizon was taken by an Expedition 7 crew member onboard the International Space Station, using a wide-angle lens while the Station was over the Pacific Ocean.
Credit: NASA

Earth’s water may have originated from both asteroidal material and gas left over from the formation of the Sun, according to new research. The new finding could give scientists important insights about the development of other planets and their potential to support life. In a new study in the Journal of Geophysical Research: Planets, a journal of the American Geophysical Union, researchers propose a new theory to address the long-standing mystery of where Earth’s water came from and how it got here.

The new study challenges widely-accepted ideas about hydrogen in Earth’s water by suggesting the elem...