Education The Space Case (Drake) Equation

1. The Space Cases 2. The # of planets with interstellarly communicative lifeforms in the Milky Way galaxyThe original formula was:N = R*fpnef lfifcL 3. Well, one, it is…

Documents 3kpc Arm Outer Arm Perseus Arm Orion Arm (Carina-) Sagittarius Arm Scutum- Centaurus- (Crux-) Arm...

3kpc Arm Outer Arm Perseus Arm Orion Arm (Carina-) Sagittarius Arm Scutum- Centaurus- (Crux-) Arm Zentrum der Galaxis Outer Volumes Inner Volumes Perseus Arm Orion Arm (Carina-)…

Documents 3kpc Arm

3kpc Arm Outer Arm Perseus Arm Orion Arm (Carina-) Sagittarius Arm Scutum- Centaurus- (Crux-) Arm Zentrum der Galaxis Outer Volumes Inner Volumes Perseus Arm Orion Arm (Carina-)…