OPPORTUNITY: The rover, designed for the last 90 days, landed on Mars in 2004, and there will still be more until the dust storm surrounding the planet hits in June. NASA has tried to revive the rover since the dust storm ended using the method of hearing and command, the agency said in October. Engineers believe there is a possibility that a layer of dust on the rover's solar panels blocks the sunlight needed to recharge the battery. They have not given up, especially since the wind that usually occurs in the November-January period has helped clear the plow panels in the past. In any case, the six-wheeled plow has exceeded the expected age range many times.
SPIRIT: Twin opportunities are also expected to take place in winter and extreme Martian dust storms are only 90 days. But Spirit was trapped in the sand and stopped functioning in 2009. Like the Opportunity, he landed on Mars in 2004, and on a mission nearly six years returned about 124,000 photos from the surface of the red planet. Spirit was made in aluminum parts taken from the World Trade Center site, the tower in New York City which was destroyed in the September 11, 2001 terrorist attack.
PHOENIX LANDER: This stationary probe landed in the Mars Arctic in May 2008 and surpassed its original three-month mission, which lasted for five months. The Phoenix lander targets the circumpolar region and uses robotic arms to dig, scoop, burn, sniff and feel the planet's ground. Among the initial results was verification of the presence of water ice beneath the surface of Mars.
CURIOSITY: The 2.5 billion dollars, more modern and technically a rover capable of landing on Mars in August 2012. It began exploration in the Gusev crater, an area where liquid water was abundant in the past. Newer Rovers have made many discoveries, including that ancient Mars can support living microbes. This was supported by a plutonium generator, so the operation was not affected by dust storms in June. Earlier this month the car drove around 60 meters, pushing the total distance to move to more than 20km. This experienced a "memory anomaly" in September which continued to be diagnosed by engineers.
HUMAN FOR MARS: NASA's dream to fly humans to Mars is a very lively mission and rests on the next generation of space capsules of Orion. NASA has sent Orion space capsules on trial flights over the Delta IV Heavy rocket. NASA's long-term plan calls for the landing of the first astronauts on asteroids and later later on Mars around the mid-2030s.