The Drake Equation
The Statistical Drake Equation - ScienceDirect
Scientists use this formula, called the Drake equation, to explore the chance we'll make contact with intelligent aliens | Business Insider
Drake equation - Wikipedia
The Drake Equation, Fermi Paradox, and SETI
PDF) The Statistical Drake Equation
Detectable civilizations in our galaxy 4 (video) | Khan Academy
The search for life beyond Earth - Curious
Alien Hunters, Stop Using the Drake Equation | Space
Drake's Brave Guess | Discover Magazine
The Drake Equation: What Are the Odds That Aliens Exist? | Discover Magazine
The Drake Equation Is Broken; Here's How To Fix It
At Last, How Many Alien Civilizations are There? - Astrobiology Magazine
Drake equation: How the alien formula works, what its variables mean - Business Insider
Alien Hunters, Stop Using the Drake Equation | Space
Are we alone in the universe? Revisiting the Drake equation – Exoplanet Exploration: Planets Beyond our Solar System
Life in the Universe: An Interdisciplinary Seminar Course
Drake's Brave Guess | Discover Magazine
Choose Your Own Alien Adventure – The Drake Equation Gets Interactive | Smart News | Smithsonian Magazine
How many alien civilizations are out there? A new galactic survey holds a clue.
Drake's Equation — Shane Delmore
Drake equation: How the alien formula works, what its variables mean - Business Insider
Detectable civilizations in our galaxy 1 (video) | Khan Academy
The Statistical Drake Equation - ScienceDirect
