Category:Hypothetical spacecraft
These are hypothetical concepts for spacecraft, rather than serious design concepts or budgeted proposals. They are not, however, mere fictional ideas; they are serious theoretical explorations.
Subcategories
This category has the following 3 subcategories, out of 3 total.
Pages in category "Hypothetical spacecraft"
The following 28 pages are in this category, out of 28 total. This list may not reflect recent changes.