Bode's law

 
Pronunciation: /ˈbəʊdz, ˈbəʊdəz/

noun

Astronomy
  • a formula by which the distances of the first seven planets from the sun are roughly derived in terms of powers of two.

Origin:

mid 19th century: named after Johann E. Bode (1747–1826), the German astronomer who drew attention to the law, which was discovered earlier by his countryman, Johann D. Titius (1729–96)