# Tag Info

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### Diagonal ice tunneling rover to reach a safe pressure in Mars?

There are two ways to interpret this question. In the techniques that I'm familiar with, where ice is melted by a probe to bore a hole, the melted water is allowed to refreeze into ice behind the ...
• 8,235

### Diagonal ice tunneling rover to reach a safe pressure in Mars?

Short Answer:No, not by a long shot Long Answer: How deep you would need to dig to reach 10 PSI (69 kPa)? According to a formula provided by Karl Brace (source), "each extra 1000 feet (roughly ...
• 4,255

### Reducing required length of a mass driver using loop?

A particle accelerator fits the description given in the OP (albeit for a very small payload) and can reach 99.99....% (more 9s than matters) the speed of light. So that's the maximum speed, ...
• 936
Centripetal acceleration, $a_c$ is $$a_c={v^2 \over r}$$ If 'r' is the radius of the planet, and 'v' is orbital velocity, then '$a_c$' will be 1G. If you travel in a circle with a radius of \$0.5 \...