| The Hairballs | |
|---|---|
 The Astronauts of Group 13 | |
| Year selected | 1990 |
| Number selected | 23 |
NASA Astronaut Group 13 (the Hairballs) was a group of 23 astronauts announced by NASA on 17 January 1990.[1] The group name came from its selection of a black cat as a mascot, to play against the traditional unlucky connotations of the number 13.[2]
- ^ Carr, Jeffrey (17 January 1990). . . Houston, Texas: NASA. 90-006 – via Wikisource.
- ^ Jones, Thomas D. (2016). Sky Walking: An Astronaut's Memoir. Smithsonian Institution. ISBN 9781588344045.