06 November 2015
Vol 350, Issue 6261

About The Cover

Cover image expansion

COVER Paths of ions escaping Mars' atmosphere due to solar wind radiation. The energy of the particles is illustrated by a brown-to-white gradient. The most energetic ions (white) create a plume, seen at the top. See page 643. For more on the process behind creating this data visualization, see
Data visualization: Valerie Altounian/Science; Data: X. Fang and the MAVEN science team