Unverified90% confidenceFactTime unknown

化学火箭的排气速度约为4-4.5公里/秒

1

Sources

90%

Confidence

Long-term

Relevance

6/1/2026

First Seen

Sources

星际旅行能实现吗？从光帆到100年星舰的科学路线图

youtubeNational Geographic

Related Entities

化学火箭concept

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