NASA journey to Mars - Challenges and technologies

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Engineering interplanetary journeys is very complicated, so the exploration of Mars has experienced high failure rates, especially in earlier attempts to land on Martian soil. Roughly two-thirds of all spacecraft destined for Mars failed before completing their missions. And some that failed before their observations could begin. NASA has been successful in landing on Mars about seven times. The lecture will provide a very broad overview of the past mission to Mars from various countries around the world. As of 2014, there are two scientific rovers on the surface of Mars beaming signals back to Earth and five orbiters surveying the planet. To date, no sample return missions have been attempted for Mars, and one attempted return mission for Mars moon has failed. The presentation will highlight on-going status of many missions including challenges and technologies necessary to put humans on Mars.