PerspectivePlanetary Science

Erosion by the Solar Wind

Science  09 Mar 2001:
Vol. 291, Issue 5510, pp. 1909
DOI: 10.1126/science.1059763

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The solar wind is very efficient at stripping volatiles out of planetary atmospheres, but estimates, for example, by Seki et al., indicate that Earth atmospheric losses are small. In his Perspective, Lundin discusses how the Earthlike planets differ in their interaction with the solar wind and why Earth has been able to retain its hydrosphere.