CAPE CANAVERAL, Fla., Sep 10 (AP) -- NASA is considering whether the space shuttle Discovery needs to dodge a piece of space junk before heading for a scheduled landing back on Earth.

• 据美联社报道，国家航空和航天局肯尼迪航天中心正在探究太空梭发现号是否必须避开太空垃圾才能在地球上预定地点降落。