The 14 February issue of Science News had a very nice article on the latest modeling of the late heavy bombardment, including the work linked to in post # 2.
Quote:
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At the meeting, the observers presented new analyses of data first gathered nearly 40 years ago when the Apollo spacecraft landed on the moon and brought back moon rocks — one of the best preserved records of the solar system’s tumultuous first 700 million years. Theorists presented their latest version of a theory that could account for several unexplained features of the solar system, including the violent era between 4 billion and 3.9 billion years ago known as the late heavy bombardment, when the planets were pelted with debris.
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At night the stars put on a show for free (Carole King)
One Earth, One Sky - IYA 2009
All moderation in purple
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