Thursday 31 July 2014

Asteroid attacks significantly altered ancient Earth

more »

New research shows that more than four billion years ago, the surface of Earth was heavily reprocessed as a result of giant asteroid impacts. A new model based on existing lunar and terrestrial data sheds light on the role asteroid bombardments played in the geological evolution of the uppermost layers of the Hadean Earth.

via Science Daily

Zazzle Space Exploration market place

No comments:

Post a Comment