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Letter: First class post - 24 February 2018

Published 21 February 2018

Too crude. Better to gently nudge them away into a different, safe orbit using thrusters Anirudh Shobhanan on nuking Earth-threatening asteroids (17 February, p 6)

Issue no. 3166 published 24 February 2018

Â鶹´«Ã½ issue 3166 cover

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