Cornell University

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"As Worlds Turn: Planetary Spin, Climate, and Life"

Thursday, February 28, 2019 at 4:00pm to 5:00pm

Space Sciences Building, 105

Although small rocky planets are primary targets in our search for life in the universe we know surprisingly little about the range of possibilities for their basic environmental conditions. The impact of planetary rotation is a good example. I'll present some results from a new study of the unexpected effects of rotation on Earth-analog planetary climate dynamics and habitability using a state-of-the-art 3D supercomputer model. I'll also ask the provocative question of whether life can itself affect the rotational evolution of a rocky world, and will show that in certain conditions this may indeed happen.

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Monica Carpenter

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Caleb Scharf

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Columbia University

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