A Visual History of Every Interplanetary Mission
Every successful interplanetary mission, from Sputnik and Explorer 1 to the five probes still in flight.
Apollo 8, Artemis 1 & 2 Orbit Comparison
Three lunar trajectories, half a century apart, rebuilt from NASA flight data and simulated in GMAT.
Time Dilation Visualized
The relativistic math behind Project Hail Mary — time dilation, mass ratios, and where astrophage could spread.
Where is Voyager Headed? Where did 3I/ATLAS Come From?
Five departing spacecraft and three interstellar visitors, seen from a galactocentric frame.
The Nearest Astronomical Anomalies
Pulsars, black holes, nebulae and interstellar dust in our corner of the interstellar medium.
The Myths of Spaceflight History
Apollo never had the public behind it. A look at the myths of spaceflight history, and a personal one.
The Speed of Constant-Thrust Space Travel
What the solar system looks like when you can burn the whole way there and flip at the midpoint.
Spin Gravity Compared
Ringworlds, centrifuges, stations and ships, compared by the numbers that turn rotation into gravity.
The Real Stars of Halo
The most comprehensive canonical 3D mapping of the Halo universe I know of — rings, colonies and real stars.
The 3D Locations of Firefly/Serenity
A 3D look at the major worlds and stars of the 'Verse.
A Roadmap to Interstellar Travel
Laser light sails are the only realistic hope of interstellar flight in our lifetimes. Here is the road.
The Real Stars of DUNE
Where the Imperium actually sits — the real stars behind Arrakis, Caladan, Kaitain and Salusa Secundus.
The Real Stars and Scale of Sci-fi
Star Trek, Dune, Halo, Firefly, The Expanse and more, placed at their real distances and true scale.
The Location of Deep Space Nine and Sci-fi Stars
A scientifically accurate look at where a handful of sci-fi star systems actually sit around the Sun.