Model Features Stars common Planets common Imagine that we are the only common intelligent species in the Milky Way. Earth-like Find a way to generate N = 1, using our observational constraints. Life plentiful V Describe the features of this model. Intelligence rare X Civilizations Your N value is not 1. Make sure there is only one communicating civilization in Lifetimes the galaxy. HISTORY OPEN/CLOSE FEEDBACK OKScore: 4.00 . Object Settings > Graph Drake Equation Drake Equation R = 7 1.00 ne = 0.40 0.00 Sh E 0.00 Actively communicating civilizations right now: N = 0 LE O R ne f fc L HISTORY OPEN/CLOSE FEEDBACK OK