How to go about building a Space gun

In Sci-Fi there`s a common theme of weaponized space craft, be it lasers, missiles or some kind of kinetic energy device they all seamed armed to the teeth. But have you ever wondered if this is plausible and what the real world challenges are to weaponize a space craft?


Scott Manley explores this topic, there`l be loads of math, exotic designs and propellants discussed:


"Real World Kerbal Space Program - Gun Launched Space Missions
After the intro to Martian Dreams people asked for a video on what it would take to launch space missions from a giant gun, so, I spent 15 minutes explaining the history, technology and current initiatives and threw together some pictures on the subject."