NASA's Brian Muirhead has speculated about the best way to construct a "Death Star" or other weaponized space station:
The best way to build a Death Star is to construct one out of an already-existing asteroid, says Brian Muirhead, chief engineer at NASA's Jet Propulsion Laboratory. "It could provide the metals," he says. "You have organic compounds, you have water—all the building blocks you would need to build your family Death Star."
And Muirhead knows a thing or two about asteroids. He's actually working on NASA's Asteroid Redirect Mission, which will land on an asteroid, collect a piece, and then place it in orbit around the moon. A crewed mission will then go collect samples from that chunk while it's in orbit. (OK, so it's not quite building a Death Star, but it's still pretty cool.)
The Wired article includes a video.
(Score: 2) by PartTimeZombie on Monday December 14 2015, @11:21PM
We could also use an asteroid to go to another star, hollowed out, rotated up so that there's gravity.
Live on the inside under one G. It might take a while to get there, but there's no rush.
(Score: 2) by frojack on Monday December 14 2015, @11:46PM
Because there are so many harvest-able resources inside an asteroid, right?
We know there are, because TFS says so:
"You have organic compounds, you have water—all the building blocks you would need to build your family Death Star."
And it says so because every 50s/60s space cowboy paperback said so. (We've never been to a real asteroid, but take our word for it - its grand!).
And of course lifting all the equipment to hollow out an asteroid would present no problem, we've seen the movies and tv shows. We can just manufacture these things on the moon or the asteroid itself. And because asteroids are little micro-earths we can just plant crops, and while they grow we can walk around the equator in a few days gathering berries and stuff, and cut down some trees to make houses till we dig a deep enough hole to move into, then harvest the crops, fire up the engines, and away we go.
No, you are mistaken. I've always had this sig.
(Score: 2) by JoeMerchant on Tuesday December 15 2015, @01:08AM
I think Niven postulated some sort of magical power source that would heat a nickel/iron rich rock to molten, then inflated it like a balloon with steam. The physics sort of works, if you've just got the ability to alter the orbit at will you could move it in close to the sun to get it hot enough, maybe at a Mercury Lagrange point with a big reflector on the surface of Mercury to increase the heating? Yeah, simple stuff. Planting the inside with crops is nothing after all that.
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