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Oct 24, 2016 at 9:24 comment added Luaan @JimmyB Actually, we have plenty of data from underground nuclear tests on Earth. You'll get melting, a small bit of vaporising (which creates a cavity the surrounding rock will tend to fall into, rather than an effect similar to a steam explosion), and a whole lot of pulverising. Unless you design a nuclear-bomb-powered-cannon (a "nuclear shaped charge", if you will) you're not going to get any significant "rock through outwards at huge velocities" effect. There's a reason high explosives are used for mining (and nukes were considered) - they pulverize the rock without throwing it around.
Oct 24, 2016 at 8:21 comment added JimmyB Uhm, you don't need an "atmosphere" to explosively vaporise surrounding rock through thermal energy.
Oct 23, 2016 at 23:46 review First posts
Oct 24, 2016 at 0:01
Oct 23, 2016 at 23:45 history answered Dronz CC BY-SA 3.0