The Solar Wind and the Sun in the Past |
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Authors: | Brian E Wood |
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Institution: | (1) JILA, University of Colorado, Boulder, CO 80309-0440, USA |
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Abstract: | Exposure to the solar wind can have significant long term consequences for planetary atmospheres, especially for planets such
as Mars that are not protected by global magnetospheres. Estimating the effects of solar wind exposure requires knowledge
of the history of the solar wind. Much of what we know about the Sun’s past behavior is based on inferences from observations
of young solar-like stars. Stellar analogs of the weak solar wind cannot be detected directly, but the interaction regions
between these winds and the interstellar medium have been detected and used to estimate wind properties. I here review these
observations, with emphasis on what they suggest about the history of the solar wind. |
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Keywords: | solar wind stellar winds ultraviolet spectroscopy |
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