Bode's law
Concise Oxford English Dictionary © 2008 Oxford University Press:
Bode's law /ˈbəʊdz, ˈbəʊdəz/
▶noun Astronomy an empirical formula by which the distances of the first seven planets from the sun are roughly derived in terms of powers of two.
– origin C19: named after the German astronomer Johann E. Bode.
'Bode's law' also found in these Oxford entries:

