And it’s there, unspoken and unchallenged, at the heart of our current aspirations for space. There’s no room for discussion about social justice or equality when it comes to planning our future Mars colonies because we all just assume that decent educated scientists and engineers – the “right kind” of people – won’t have any problem with that sort of thing.

Except every available single scrap of historical experience tells us that this is an incredibly naive and dangerous assumption to make. Colonies and outposts are portrayed as lights in the darkness; hot spots of progress, ingenuity and adventure. That may be true to some extent, but they’ve also been places of crime, vigilante justice, tyrants, rape, pillaging, abuse and war. It’s true that when things get hard we can see the best in people, but oftentimes we see the worst too…

The first woman to be raped in space has probably already been born. And if that last sentence makes you howl with protest or insist that such a thing just wouldn’t happen, then I’d stop a second and ask yourself why.