Image: Three Billion Year Old Impact Crater Found in Iceland
The scientists say the impact was so long ago that no obvious crater could be seen. Click Here to Read LifesLittleMysteries.com by This content has been Digiproved © 2012Some Rights ReservedOriginal content here is published under these license terms: X License Type:Non-commercial, Attribution, no Derivative workLicense Summary:You may copy this content, and re-publish it in unmodified form for non-commercial[...]






