| Автор | Verigin, M. I. |
| Автор | Gringauz, K. I. |
| Автор | Kotova, G. A. |
| Автор | Shutte, N. M. |
| Автор | Rosenbauer, H. |
| Автор | Livi, S. |
| Автор | Richter, A. K. |
| Автор | Riedler, W. |
| Автор | Schwingenschuh, K. |
| Автор | Szego, K. |
| Дата выпуска | 1991 |
| dc.description | The measurements of proton spectra obtained by the TAUS spectrometer on board the Phobos 2 spacecraft in elliptical orbits near Mars are presented. A strong deceleration of the solar wind upstream of the Martian bow shock was revealed. It can be caused by the mass loading of the plasma flow by ions originating from the hot oxygen/hydrogen corona of Mars and/or by protons specularly reflected from the bow shock. In the first case the deceleration of the solar wind by about 100 km/s implies that the hot oxygen corona of Mars could be several times denser than it was anticipated to be (at least during the observation period that was close to solar cycle maximum). Furthermore, the loss of planetary oxygen through the corona appears to be the main process of oxygen loss from Mars. The upper limit of loss rate for such a process is determined to be 10<sup>26</sup> oxygen atoms or 2.5 kg of oxygen per second. |
| Формат | application.pdf |
| Копирайт | Copyright 1991 by the American Geophysical Union. |
| Тема | ATMOSPHERIC COMPOSITION AND STRUCTURE |
| Тема | Evolution of the atmosphere |
| Тема | GLOBAL CHANGE |
| Тема | Atmosphere |
| Тема | INTERPLANETARY PHYSICS |
| Тема | Planetary bow shocks |
| Тема | MAGNETOSPHERIC PHYSICS |
| Тема | Solar wind/magnetosphere interactions |
| Тема | PLANETARY SCIENCES: COMETS AND SMALL BODIES |
| Тема | Planetology: Comets and Small Bodies: Interactions with solar wind plasma and fields |
| Тема | TECTONOPHYSICS |
| Тема | Evolution of the Earth |
| Название | On the problem of the Martian atmosphere dissipation: Phobos: 2 TAUS Spectrometer results |
| Тип | article |
| DOI | 10.1029/90JA02561 |
| Electronic ISSN | 2156-2202 |
| Print ISSN | 0148-0227 |
| Журнал | Journal of Geophysical Research: Space Physics |
| Том | 96 |
| Первая страница | 19315 |
| Последняя страница | 19320 |
| Выпуск | A11 |
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