Space facts
Our company is named after a spot in space, so we like a little orbital mechanics. Short, animated explainers, with the odd lesson for planning here on the ground.
The slow road and the fast road to Mars
Hohmann and Lambert transfers, and the trade between saving fuel and saving time.
Read it RocketsWhy rockets throw away their tanks
The rocket equation, and how staging squeezes more Δv out of the same fuel.
Read it SatellitesA satellite's to-do list
Power, stationkeeping and J2, choosing targets, and getting the data home.
Read itMini games
Quick games about space and money. They run right here in your browser, on a phone or a computer, and your best scores stay on your device.
Orbit Saver
Hop between orbits to grab coins. Every burn spends fuel, and fuel is money.
Play Balance · PatienceLagrange Hills
The five Lagrange points are hilltops. Roll up, balance on each peak, and clear all five.
Play Shooter · Debt payoffAsteroid Debt Belt
Asteroids are debts. Blast them into smaller payments before the high-interest ones grow.
Play Timing · RocketsRocket Staging
Drop each stage the moment its fuel runs out, then light the next one once it's clear.
Play Classic · RevenueMission Snake
Collect revenue to grow your satellite's trail, and dodge the space debris that builds up.
Play