#CHEOPS is an @esascience mission that will study known #exoplanets orbiting bright, nearby stars. Assemble your own planet watcher with our #papermodel!
Instructions & downloads: https://t.co/R51aoSQvkA
📹https://t.co/K5udKQOhza pic.twitter.com/QGuV6kpv2D— ESA (@esa) March 25, 2018
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