First light of espresso :) (Le, not coffee ;)), (the eso communiqué is available in French, just change the language at the top of the page if needed

First light of espresso :) (Le, not coffee ;)), (the eso communiqué is available in French, just change the language at the top of the page if needed
First light of espresso :) (Le, not coffee ;))
(the eso communiqué is available in French, just change the language at the top of the page if needed. )
Espresso just had its "first light" (first star sighting) last week. This new instrument, installed on the VLT (in paranal, Chile) is 10 times more accurate than harps (in la silla, Chile too), with an accuracy of 10 cm / s (0,36). Km / H) on the speed of stars (Harps has an accuracy of about 1 M / s, or 3,6 km / H). Espresso ...
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