drew@drewexmachina.com
Entering orbit around another planet from an interplanetary approach trajectory is probably one of the most critical phases in a planetary mission. Everything must come together […]
In recent years there has been increasing interest in picosatellites (small satellites typically with a mass of 0.1 to 1 kilogram) which use the latest miniaturized […]
Today we almost take for granted one of the key technologies that makes spaceflight possible: the liquid propellant rocket engine. Exactly a century ago today, famed […]
It is often forgotten how much many of the new crewed space capsules currently under development in the US owe to the work done as part […]
The Soviet planetary probe, Mars 1, was the first spacecraft to survive launch to be sent on its way to the Red Planet. Although Mars 1 […]
My latest article, “…Try, try again”, has been published on line in The Space Review. It is a continuation of a series of articles that I […]
Back in the 1990s, there was a veritable flood of new information about the once secretive Soviet space program including details of their early failed planetary […]
There seems to have been increasing interest in the last decade or more in microsatellites (small satellites with masses in the 10 to 100 kg range), […]
Life is filled with surprises big and small. Between 1994 and its cancellation in 2004, I was involved as a member of the American science team […]
Among my earliest memories was sitting in front of the television when I was maybe three or four years old to watch the launch of a […]
There are times when I feel that I have the coolest job in the world. I am currently working on a small project (with the hopes […]
Fifty years ago today the Soviet Union launched Zond 1 on a mission to land on Venus. Unfortunately this probe succumbed to a series of malfunctions […]
