Fermi Paradox
The Milky Way is old, huge, and crowded with stars, yet the sky stays stubbornly quiet. The Fermi Paradox is the framing problem: if life and technology should have had time to spread, why do we not see decisive evidence of anybody else?
N = R* × f_p × n_e × f_l × f_i × f_c × L
The Drake equation says the galaxy should have room for company. The paradox is that the stage still looks empty.
Core Arguments
- 1
Starts with scale: billions of stars, many rocky planets, and timescales far longer than human history
- 2
Often paired with the Drake equation as a back-of-the-envelope formula for how many civilizations might coexist
- 3
Is not one answer but the question that spawns answers like Dark Forest, Great Filter, Zoo, Rare Earth, and simulation
- 4
Gets sharper as astronomy finds more potentially habitable worlds but no confirmed technosignatures
- 5
Turns 'Where is everybody?' into a live scientific, philosophical, and civilizational problem
Linked Incidents
USS Nimitz Encounter
Multiple Navy pilots tracked a white, oblong object about 40 feet long performing impossible maneuvers. The object descended from 80,000 feet to sea level in seconds, then accelerated away at speeds exceeding Mach 5. Radar data confirmed visual sightings across multiple platforms.
Belgian Wave
Over 13,500 people reported triangular craft over Belgium during a wave lasting months. Belgian Air Force scrambled F-16s that locked onto targets performing accelerations of 40g - far beyond human or aircraft tolerance. Official government investigation found no explanation.
Explore in Fiction
Where Is Everybody? by Stephen Webb
Contact by Carl Sagan