David the expat sez: "Stack Exchange Rocks!" so, let Stack Exchange be Stack Exchange.
My goal is to spend less time in my "...snow white cube containing only the bare necessities, a computer, and a large library of treatises, maps, and precise scale models."
Member for 4 years, 3 months
132 profile views
Last seen 2 days ago
- Space Exploration 97.2k 97.2k 3030 gold badges248248 silver badges766766 bronze badges
- Astronomy 19.5k 19.5k 33 gold badges3636 silver badges106106 bronze badges
- Earth Science 6.7k 6.7k 11 gold badge1212 silver badges5959 bronze badges
- Chemistry 5.4k 5.4k 1818 silver badges5757 bronze badges
- Science Fiction & Fantasy 5.3k 5.3k 2121 silver badges5454 bronze badges
- View network profile →
Top network posts
- 134 How did the Apollo computers evaluate transcendental functions like sine, arctangent, log?
- 101 What makes Ada the language of choice for the ISS's safety-critical systems?
- 78 Are there any satellites in geosynchronous but not geostationary orbits?
- 78 What can the KSP game actually teach about spaceflight and orbital mechanics, and what are its limitations?
- 76 Could "peak Apollo levels" of support have gotten NASA astronauts to Mars in the 1980's?
- 74 If a massive object like Jupiter flew past the Earth how close would it need to come to pull people off of the surface?
- 69 How much bigger could Earth be, before rockets would't work?
- View more network posts →