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Fine-Tuning Mechanisms for Water Delivery

8 Nov 2018, 19:09 UTC
Fine-Tuning Mechanisms for Water Delivery NASA

We’ve long been interested in how the Earth got its oceans, with possible purveyors being comets and asteroids. The idea trades on the numerous impacts that occurred particularly during the Late Heavy Bombardment some 4.1 to 3.8 billion years ago. Tuning up our understanding of water delivery is important not only for our view of our planet’s development but for its implications in exoplanet systems with a variety of different initial conditions.

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