Video: NASA's asteroid projectile achieves separation in orbit

The DART spacecraft is on a test mission to see if it can deflect the path of an asteroid which, on this occasion, is no threat to our planet.

Wednesday 24 November 2021 11:38, UK

In September 2022, it will slam head-on into Dimorphos, an asteroid 525 ft (160m) across, at 15,000 mph (24,139 kph).
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