A Method to Determine the Mean Temperature at the Planet Surface

The escape time of a given species of particles in the planetary atmosphere is related to atmospherictemperature. The mean temperature at the planet surface may be inferred from the escape of a given kind of particles inthe planetary atmosphere. For example, CH4 escaping from the Pluto atmosphere results in the variation of its partialpressure and escape time, then the mean temperature at the Pluto surface, 42.2 K, is got on the basis of it.

作 者： GAO Chong-Yi   作者單位： School of Physical Science and Technology, Lanzhou University, Lanzhou 730000, China  刊 名： 理論物理通訊(英文版)  ISTIC SCI 英文刊名： COMMUNICATIONS IN THEORETICAL PHYSICS  年，卷(期)： 2003 40(8)  分類號： P1  關鍵詞： planetary temperature   planetary atmosphere   Jeans rule   escape time   Pluto  

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