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On the Maximum Exospheric Temperature of Hydrogen-Dominated Planetary Atmospheres

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  • 1 Lunar and Planetary Laboratory, University of Arizona, Tucson 85721
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Abstract

It is shown that under static conditions the maximum temperature attainable in the exospheres of hydrogen-dominated planetary atmospheres is of order 105 K when gravitational separation between hydrogen and other elements has occurred, and ∼104 K for an atmosphere of cosmic abundance.

Abstract

It is shown that under static conditions the maximum temperature attainable in the exospheres of hydrogen-dominated planetary atmospheres is of order 105 K when gravitational separation between hydrogen and other elements has occurred, and ∼104 K for an atmosphere of cosmic abundance.

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