On the Maximum Exospheric Temperature of Hydrogen-Dominated Planetary Atmospheres

G. P. Horedt Lunar and Planetary Laboratory, University of Arizona, Tucson 85721

Search for other papers by G. P. Horedt in
Current site
Google Scholar
PubMed
Close
Full access

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.

Save