Aliases

Disambiguation

Refers to the 1948–1950 wave of bright green aerial objects observed over New Mexico near atomic weapons laboratories, NOT meteorological or natural phenomena of similar name in other contexts.

Stats

Concept

Bright green luminous aerial objects observed over New Mexico 1948–1950, concentrated near atomic weapons laboratories; officially attributed to natural phenomena (meteors), though government initially considered national security implications.

Objetos aéreos luminosos verde brilhante observados no Novo México de 1948 a 1950, concentrados perto de laboratórios de armas atômicas; oficialmente atribuídos a fenômenos naturais (meteoros), embora o governo tenha inicialmente considerado implicações de segurança nacional.

Enrichment

• Green Fireballs
  Wikipedia▎ high· 2026-05-14
  • Bright green UAO sightings concentrated near Los Alamos and Sandia, 1948–1950
  • December 1948 – January 1949 peak activity
  • February 1949 Los Alamos conference with Kaplan and Teller
  • Project Twinkle established December 1949, discontinued ~1951
  • Official conclusion: natural phenomena (meteors)
• Mystery of Green Fireball UFOs Solved
  Live Science▎ high· 2026-05-14
  • Green fireballs explained as meteors with electrically charged oxygen from shockwaves
  • Nickel vaporization produces green coloration
  • Possible ball lightning mechanisms for unusual movement
  • Comparison to aurora phenomena
• When Mysterious Green Fireballs Worried the US Government
  HISTORY▎ high· 2026-05-14
  • Sightings generated national security concerns at atomic weapons facilities
  • Edward Teller attended Los Alamos conference in 1949
  • FBI and Air Force investigated thoroughly
  • Concerns about Soviet surveillance, nuclear testing effects considered