The Comet

The Comet (later known as "?" and Cosmology; see article)

Categories	Science fiction fanzine
First issue	May 1930
Final issue	1933
Company	Science Correspondence Club
Country	United States
Based in	Chicago, Illinois
Language	English

The Comet was an American science fiction fanzine, the first of its kind.

It was first published in May 1930 by the Science Correspondence Club in Chicago, Illinois.

The fanzine's original editors were Raymond A. Palmer and Walter Dennis. Its second issue, dated July 1930, was called "?", and was the first issue to refer directly to science fiction. The third issue, dated August 1930, took on its third title, Cosmology, a name it retained for the duration of its publication, which ended in 1933.

...
Wikipedia