← Back

Letter (Astounding, December 1949): More Than the Extra 1.5 Mi. Per Sec. Would Be Built Up by the Fall from Earth's Orbit to Venus' Under Solar Gravity.

C. J. Goebel

First published December 1949
Type Essay

Publications (1)

Date Publication Publisher Type Page
December 1949 Astounding Science Fiction, December 1949 Street & Smith Publications, Inc. MAGAZINE 112|112.1