And the sample-return mission plan now includes two Mars landers instead of one.
An artist's depiction of a rocket launching Mars samples off the planet's surface for the journey to Earth.
Scientists will have to wait a little longer to get their hands on pristine Mars samples that might hold evidence of ancient Red Planet life. NASA and the European Space Agency are working together to haul back to Earth several dozen Mars samples, which are being collected by NASA'son the floor of the 28-mile-wide Jezero Crater. Jezero is a great place to do such work, NASA officials have said, because billions of years ago it harbored a big lake and a river delta, potentially tempting habitats for life.had called for the 2026 launch of a sample-return lander carrying a NASA Mars ascent vehicle and an ESA-built fetch rover.
orbit. Up there, the sample container would be transferred to an ESA Earth-return orbiter , which would bring the material back to Earth in 2031.But the plan has changed a bit, NASA announced today . "Detailed analysis of SRL landed mass requirements has led NASA to adopt a dual-lander architecture, with the second lander carrying the European-provided fetch rover," NASA officials wrote in a
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