Japan launches mission to bring home a piece of the Martian moon Phobos
摘要
日本于周一发射耗资5.78亿美元的MMX火星卫星探测任务，计划在五年内登陆火星最大卫星火卫一并采集样本返回地球。该机器人任务由H3火箭从种子岛航天中心发射升空，火箭采用四枚固体助推器的新构型。此次任务有望为太阳系形成研究提供新线索，是日本迄今最重、最具雄心的行星际探测项目。
Japan launched a $578 million mission Monday on a five-year expedition to land on the largest moon of Mars and retrieve samples for return to Earth, a daring international project that could yield new insights into the formation of the Solar System.
The robotic Martian Moons eXploration mission, known as MMX, lifted off at 3:41 pm EDT Monday (4:41 am Japan Standard Time Tuesday) from Tanegashima Space Center in southern Japan.
The MMX spacecraft rode into orbit atop a 207-foot-tall (63-meter) H3 rocket, Japan's flagship launch vehicle. The rocket assigned to MMX debuted a new souped-up configuration with four strap-on solid rocket boosters, full-throttle main engines, and an extended payload shroud to accommodate the demands of Japan's heaviest and most ambitious interplanetary mission to date.
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