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\textbf{A series of amazing discoveries in the field of astrophysics  occured in the last few months, with enormous months. Planetary systems around Stars other than the Sun seem to be the norm, not the exception. The  implications for one of the most fascinating questions we can ask. ask, are we alone in the Universe, are enormous.  In the  face of these discoveries it's a fun an intriguing  excercise to revisit the Drake Equation, a tool allowing to estimate our chances of getting in touch with an extraterrestrial civilization.}