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Tag Archives: inner planets
Why is Mars so small compared to Earth?
Using a new process in planetary formation modeling, where planets grow from tiny bodies called “pebbles,” Southwest Research Institute scientists can explain why Mars is so much smaller than Earth. This same process also explains the rapid formation of the … Continue reading
Why is Mars so small?
Because it was starved during infancy, says Kevin Walsh (Observatoire de la Cote d’Azur and Southwest Research Institute, Boulder). In a paper in Nature, written with four colleagues and published June 5, 2011, he argues that when the planets were … Continue reading
Posted in Reports
Tagged asteroid belt, gas-giant planets, inner planets, Jupiter, Neptune, pre-planetary debris, protoplanetary disk, Saturn, terrestrial planets, Uranus
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