1939

1. 1939-03 Month only

   Marooned off Vesta: publication

   Category: Science Fiction › Type: Science fiction publication

   • Science fiction
   • Science fiction literature

   Marooned off Vesta (Short story) by Isaac Asimov

   Marooned off Vesta: publication.

2. 1939-08 Month only

   Life-Line: publication

   Category: Science Fiction › Type: Science fiction publication

   • Science fiction
   • Science fiction literature

   Life-Line (Short story) by Robert A. Heinlein

   Life-Line: publication.

3. 1939-09-01 astronomy theory

   Oppenheimer and Snyder publish gravitational-collapse research

   Category: Discoveries and Scientific Results › Type: Research publication

   The paper described continuing gravitational collapse of a massive star.