# Next step: the ZX Spectrum
The ISS does have its own defenses, of course. Fabric-y buffers envelope some of the systems, and a bumper called the Whipple Shield helps blunt impact. That shield is only built to stop debris up to about 1 cubic centimeter, though, and the debris tracker is only designed to catch pieces 10 cubic centimeters and larger. In other words, there’s a gap in defenses.
。业内人士推荐Line官方版本下载作为进阶阅读
Output (Tbox): 将思考结果结构化沉淀为 PRD、技术方案或 API 文档。，推荐阅读safew官方版本下载获取更多信息
A question explorer that provides well-crafted topic