The Proton-M rocket booster blasts off at the Baikonur cosmodrome, Kazakhstan. The unmanned ExoMars probe, a collaboration between the European Space Agency and Roscosmos, took off aboard a Russian rocket and is expected to reach Mars in October. Trace Gas Orbiter satellite will explore Mars atmosphere. Schiaparelli lander will try to land on Mars, and in case the landing is successful, will explore the environment on Mars for four days.