Over a period of a month, NASA answered hundreds of questions—on a weekly basis—on everything from radioisotope systems to the look of potential "habs"—the residences for future Mars astronauts.
在一个月的时间内，航空航天局每周回答问题，总共数百个，从放射性同位素系统，到日后火星宇航员住所“棚屋”的可能模样。