Stefan T. Possony
1 Quotation from Stefan T. Possony
| light-day n. | 1981 Space & the Longevity of Man in Isaac Asimovโs Science Fiction Magazine 13 Apr. 122 There might be many civilizations โcloseโ togetherโa few light days from each other. |
| light-day n. | 1981 Space & the Longevity of Man in Isaac Asimovโs Science Fiction Magazine 13 Apr. 122 There might be many civilizations โcloseโ togetherโa few light days from each other. |