Open Access
Fig. 1.

Download original image
Geometric sketch to show the positional relations and explain the letters in the equations. The directions of axes x and z are the same as the horizontal and vertical axes in Fig. 4, vM and vSW are the velocities of Mercury and the solar wind, and χ is the solar zenith angle at a point on Mercury’s dayside hemisphere.
Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.
Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.
Initial download of the metrics may take a while.