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Bahcall-Soneira Model

subject fact

Bahcall-Soneira Model has definition A model for the Galaxy first published by John Bahcall and Raymond Soneira in 1980. In its original form, it sought to reproduce star counts in different parts of the sky by employing only a (thin) disk and a halo; it had no thick disk. has source: Croswell, K. 1995 The Alchemy of the Heavens, Anchor Books, 2001-09-27 09:34:02.0
is a kind of galaxy theory

galaxy theory has domain extragalactic astronomy

theory has validity correct or incorrect with caveats 2001-09-27 09:33:53.0
has author or reasearch group
has date or a range of dates for which the theory was active

Bahcall-Soneira Model	has definition A model for the Galaxy first published by John Bahcall and Raymond Soneira in 1980. In its original form, it sought to reproduce star counts in different parts of the sky by employing only a (thin) disk and a halo; it had no thick disk.
Bahcall-Soneira Model	is a kind of galaxy theory
galaxy theory	has domain extragalactic astronomy
theory	has validity correct or incorrect with caveats
	has author or reasearch group
	has date or a range of dates for which the theory was active