CNA reported that the space shuttle Columbia lost contact, a lot of wreckage scattered in Dallas, Fort Worth (DFW), and extends to East Texas, even the wreckage was scattered over eastern Louisiana.

• 航天飞机是一种垂直起飞、水平降落的载人航天器，它以火箭发动机为动力发射到太空，能在轨道上运行，且可以往返于地球表面和近地轨道之间，可部分重复使用的航天器。