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Contact: Patrick Farrell
Boston University Medical Center

Tails of Sodium

Caption: This image shows examples of the very long tails of sodium escaping from Mercury. These images were taken at the Boston University Station at the McDonald Observatory, run by the University of Texas in Austin. Reference: Orbital Effects on Mercury's Escaping Sodium Exosphere, Carl Schmidt, Jody Wilson, Jeffrey Baumgardner and Michael Mendillo, ICARUS, 2010.

Credit: Boston University Center for Space Physics

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Related news release: Mercury found to have comet-like appearance by satellites looking at sun

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