Full record for astrobiology n.

Definition	a branch of biology concerned with the discovery or study of life on the celestial bodies
OED requirements	antedating 1941
Earliest cite	Astronomical Society of the Pacific leaflet #143
Comment	Bill Mullins submitted a January 1941 cite from the Astronomical Society of the Pacific. Leaflet #143. Earliest cite in the OED was from 1955
Last modified	17 May, 2005

Citations for astrobiology n.

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1941 Astron. Soc. Pacific Leaflets Jan. 333

The subject of astrobiology—the consideration of life in the universe elsewhere than on earth—is one that has been so often and so inadequately treated that the immediate and natural tendency of an experienced reader is to expect another bit of pseudo-scientific romancing.