行星防御协调办公室
行星防御协调办公室（英语：Planetary Defense Coordination Office，PDCO）是2016年成立的美国航太总署行星防御机构，专责近地小行星协调检测和追踪、负责鉴别飞向地球的大型物体，并提出转移方案，同时向公众发布警告。[1]
参考文献
- ^ NASA Office to Coordinate Asteroid Detection, Hazard Mitigation. NASA. 2016-01-07 [2016-03-22]. （原始内容存档于2020-02-21）.
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