Bookmarks
Astronomy, Astrogation & World Building
- Star Chart out to 150 light years
- Special Relativity Calculator
- Sirius System
- A very good planet generation system
- “Fantasy” Worldbuilding Questions
- Extreme life ->http://www.astrobiology.com/extreme.html
- Destroying the Earth-> http://qntm.org/destroy
Propulsion
Science
Science Fiction
Sizes of Oil Tankers (Terran circa 21C)
- Panamax 60,000 DWT
- Aframax 100,000 DWT
- Suezmax 150,000 DWT
- VLCC 280,000 DWT
- ULCC 410,000 DWT
- Jahre Viking, largest ship in the world: 564,000 DWT 1504 ft. long