Not only will you want to move your fingers, you want to move around.你不但要動你的手指,你還要到處走動。NASA's lunar electric rover is a prototype for future missions to the moon and Mars.NASA的月球電動越野車是未來的月球和火星任務的原型。It's part vehicle and part spacesuit.那是汽車部分和宇航服部分。I can just picture being there in a vehicle this type and looking back at earth in the distance and deciding to go and being in boots on the surface in 10 minutes with which just being a remarkable breakthrough.我能想象這種類型的車輛在那里出現并且回顧過去在地球上決定出發并且在地面上還有10分鐘即將發射的情境，這是一個突破。Astronauts can cover more ground by living in the vehicle for weeks at a time.宇航員通過住在車里可以達數周的時間并且可以到達很多地方。Stepping outside when they want to and back inside at the first sign of danger.當他們想要走出去并且再回來的時候，遇到了第一次危險。Mars does not have a powerful magnetic field the way earth does.火星沒有像地球一樣的強大的磁場。So there is radiation from the sun,那里有來自太陽的輻射,also cosmic rays that are gonna penetrate through space suits. 宇宙射線會穿透宇航服。An astronaut might get a 30 minute warning of an incoming solar storm.一名宇航員可能會得到30分鐘的太陽風暴進來的警告。But less predictable is the risk of being hit by a meteorite.但和遭遇一顆隕石撞擊的風險相比顯然要低一些。Recent estimates based on fresh equator counts suggests that up to 200 new holes are blasted into the surface of Mars each year.據最新預估表明火星表面每年有多達200個撞擊新洞。注：聽力文本來源于普特