I say we take off and nuke the whole site from orbit. It's the only way to be sure.

BTW those are called "mass drivers" and are great fun. I think Heinlein gave a brief explication of why the moon was a great place to base space exploration from, being mostly outside Earth's gravity well, having plenty of power and materials and advantageous launch conditions. One thing he sorta got wrong in the story was the limited supply of iron to work as the vessel for the rocks, you can just use a carriage sort of deal to bring the payload up to escape velocity, then capture and reuse the carriage (and reclaim some energy in the process). Or go capture a big nickel-iron asteroid and have plenty of magnetic stuff.

--R


On 7/30/14 10:01 AM, Mitch Haley via Mercedes wrote:
OK Don via Mercedes wrote:
There is a reason why bombs are shaped the way they are with fins on the
back end - they tend to land where you aimed them better than random shaped
objects. It doesn't help much if your non-toxic bombs don't hit the
target.  Otherwise, I like your idea ----

I'm reminded of when the lunar colony revolted in the novel The Moon is a Harsh Mistress. They didn't have interplanetary weapons, but they had big engineless freight ships, they had a magnetic catapult that could hurl them beyond the moon's gravity, and they had lots of rock to fill them with. They could simply aim them to land on earth instead of going into harmless orbits.

They announced the time and the locations of the first wave of rock-bombs. Thousands of idiots showed up to watch the impacts. The TV news idiots thought we'd been hit with nuclear weapons. Apparently they'd never heard what happens when meteors hit the earth.

Mitch.


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