Letter: Flyaway probe, phone home!

Published 4 May 2016

From Nick Ewans

Breakthrough Starshot aims to send thousands of “wafersats”, each with a mass of just a few grams, to Alpha Centauri, more than 41 trillion kilometres away (16 April, p 9). How will they beam pictures and data back to us?

London, UK

Issue no. 3072 published 7 May 2016

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