Science Could comet Siding Spring damage Mars spacecraft?

As comet Siding Spring approaches the Red Planet, NASA is moving its Mars orbiters to protect them from any dust ejected by the comet. 

By ,'s Space Insider Columnist

NASA, ESA, and J.-Y. Li (Planetary Science Institute)

NASA's Mars Atmosphere and Volatile EvolutioN mission (MAVEN) is closing in on the Red Planet. At the same time, an interloper, comet Siding Spring, is also approaching. Although the comet's nucleus will miss Mars, Siding Spring's coma of dust particles might be wide enough to reach the planet.