"Would Boeing make a bet like that again, on a low-cost space launch vehicle," asked our team leader. Suddenly, thirty or so people burst into a tower of babel, everyone talking at once as if a spark set off a conflagration. Mostly the cacophony of replies leaned toward "no," or jumped right into statements - … Continue reading Financial risks, spaceflight, and the questions we ask

Some graphs, like pictures, are also worth a thousand words. They do what a beautiful painting does while wandering in a museum, holding your stare like reading from a wall. For rockets and space travel, there is no shortage of figures and numbers and graphs, oh my. One especially telling figure came around in 2010 … Continue reading One word: Propellant

And what does any of this have to do with space exploration? 2004, a large, musty conference room at Kennedy Space Center, today holding only the six or so of us to mull over a question trickled down from on high. What is the *probable* year the Shuttle will complete another 22 launches? I'd been … Continue reading Monty Hall, goats, the odds, and new rockets