After extensive tests, the scientific instrument at the heart of the #CHEOPS mission has been fully assembled. Once in space, CHEOPS will observe & study bright stars that are known to host #exoplanets ✨✨
More on the test campaign ➡️ https://t.co/stnWp1TktN pic.twitter.com/mJc938l3y5

— ESA Science (@esascience) December 6, 2017