Timeline of spaceflight
- 航天年表（本文记录了各国历年的载人和无人航天活动，按发射日期分条目纪录。人类航天活动定义为卡尔曼线以上，包括已发射和预定的计划。航天年表包含过去所有探索活动，失败的和将来可能进行的）
Timeline of spaceflight
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abstract:
This is a timeline of known spaceflights, both manned and unmanned, sorted chronologically by launch date. Owing to its large size, the timeline is split into smaller articles, one for each year since 1951.
以上来源于:
WordNet