Odyssey Reaches Final Mapping Orbit

NASA?s Mars Odyssey spacecraft has reached its final mapping orbit after three months of aerobraking manoeuvres around the Red Planet. At 2014 GMT (5:14pm EST) Odyssey fired its thrusters for 25 seconds and decreased its velocity to maintain an orbit which varies between 387km and 450km above the surface of Mars. Two scientific instruments on the spacecraft have already begun collecting data about the composition of the planet?s surface.