Science
Cloudy with chance of asteroid? Scientists may have underestimated the violent beginning of Earth – Study Finds
Earth was bombarded by ten times more comets and asteroids than previously thought. Some of these were over six miles wide.
BOSTON — A new study suggests that, up to 2.5 billion years ago, Earth was bombarded by ten times more comets and asteroids than previously thought. Some of these were over six miles wide. The ferocity of the repeated strikes was so severe that they may…
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