Assertion: comet's diameter | /r/HasProperty | 1 1/2
Facets:
Source sentences:
text: An observer of Encke's in March 1918 had this to say of the comet on March 12, comparing to the early March 9 observation, "The comet much shaper, brighter, smaller; its diameter was 1 1/2', magnitude 7.7 (B.D. scale).