This is an official definition authorised by the Astronist Institution.




the assemblage of astronomy and palaeontology that studies the relationship between night sky celestial phenomena and prehuman terrestrial life, one of the most infamous examples of which is the meteor that crashed into the Yucatan peninsula 65 million years ago and killed the dinosaurs as a result. 

Derivatives and alternative spellings

  • Paleoastronomical | ˌpalɪəʊastrəˈnɒmɪk(ə)l | adjective
  • Paleoastronomically | ˌpalɪəʊastrəˈnɒmɪk(ə)li | adverb
  • Palaeoastronomy | ˌpalɪəʊəˈstrɒnəmi | noun (Palaeoastronomical, Palaeoastronomically, Palaeoastronomer)
  • Palæoastronomy | ˌpalɪəʊəˈstrɒnəmi | noun (Palæoastronomical, Palæoastronomically, Palæoastronomer)

Origin and etymology

  • Astro-English: from Astronese, the prefix paleo-, denoting prehistory or the geological past, conjoined to the word astronomy denoting the science of celestial bodies and outer space; meaning ‘impacts of astronomical phenomena in prehistory.’ 
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