2021年2月18日 星期四

Nasa delays launch for DART asteroid impact test

Nasa has chosen a later launch window for testing its first flight demonstration for planetary defence against the threat of asteroid impact. Dubbed the Double Asteroid Redirection Test (DART), the mission aims to shift an asteroid’s orbit through kinetic impact, in September 2022. Basically, impacting a spacecraft into the smaller member of the binary asteroid ...

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