Mars spacecraft, including MAVEN, reveal comet flyby effects on Martian atmosphere

Two NASA and one European spacecraft have gathered new information about the basic properties of a wayward comet that buzzed by Mars Oct. 19, directly detecting its effects on the Martian atmosphere. Debris from the comet, known officially as Comet C/2013 A1 Siding Spring, caused an intense meteor shower and added a new layer of ions, or charged particles, to the ionosphere.

from Space & Time News — ScienceDaily http://ift.tt/1uMqKX0