It's no coincidence that this article shares its title with Daniel Suarez's latest sci-fi thriller in the Delta-V series. Don't worry- no spoilers here. One key quote from the Critical Mass novel is "...

Congratulations on picking the 2nd biggest rock in cislunar space! There’s lots of stuff there. Most of it can be found much closer to home, of course- the biggest rock in cislunar space is the Earth,...

Perhaps you've heard the sentiment that the first trillionaire will be an asteroid miner. Or perhaps you read too much scifi as a kid (or like me, still do). Or perhaps you've signed on to the abundan...