One Asteroid Collision May Have Rocked Earth, Mars, and the Moon

A shattered asteroid may have unleashed a long-lasting cosmic barrage that left scars across the inner solar system and possibly changed Earth’s history. A violent asteroid collision may have sent a wave of debris sweeping through the inner solar system about 800 million years ago, potentially affecting Earth, the Moon, and Mars. A new study [...]

from SciTechDaily https://ift.tt/LwWaeXo