Letter (Astounding, July 1943): Richardson Simply Treated the Energy Needed to Escape Earth as a Constant—No Matter Where You're Going or How, That's Always There. It's the Other, and Variable Factors That Are of Interest.
| First published | July 1943 |
|---|---|
| Type | Essay |
Publications (1)
| Date | Publication | Publisher | Type | Page |
|---|---|---|---|---|
| July 1943 | Astounding Science-Fiction, July 1943 | Street & Smith Publications, Inc. | MAGAZINE | 115|115.2 |