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It's not like Mars has the capability or desire to slog it out in a ground campaign across all 7 continents. Achieving control of low Earth orbit and threatening to nuke its cities from space should be enough to bring the UN to the bargaining table.
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Feb 5, 2017 05:31
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bobfather posted:Personally, and weirdly enough, I would think a nuclear shaped charge would be the humane way to kill a ship, since volleying slow-relativistic rail gun shots and point defense cannon shots that go straight through ships is asking for collateral damage. Wouldn't those rounds have enough delta v to just orbit the sun, silent, and waiting to ruin some beltalowda's day months or years later? That is why you check your drat targets! That is why you wait for the computer to give you a drat firing solution! That is why you don't "eyeball" it and shoot from the hip! https://www.youtube.com/watch?v=-v6vNc1Xik0 Corollary: Space is drat big so your chances of getting randomly nailed by a stray round fired years ago are essentially zero. INTJ Mastermind fucked around with this message at 16:58 on Mar 3, 2017 |
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Mar 3, 2017 16:56
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Evernoob posted:Couldn't the probe slow down partially by using the destination's star gravity well? No. Because of conservation of energy, the potential energy at a certain height above the gravity well is conserved as kinetic energy (speed) as you travel inwards, and bled off in equal amounts as you travel out again. You would actually be going faster as you approached the star. A slingshot maneuver takes advantage of a MOVING gravitational mass (i.e. Jupiter) to change a spacecraft's kinetic energy relative to their common orbital body (i.e. the Sun). Note: Kinetic energy is a relative value because speed is relative. Jupiter would lose as much kinetic energy as the spacecraft gains, but because of it's much larger mass, the effect is negligible. Now if you're talking about aerobraking (i.e. using a body's atmosphere to slow down your craft)... well flying through a star's atmosphere is not a survivable event. If you had some sort of massive solar sail, that might work, depends on the numbers involved obviously. INTJ Mastermind fucked around with this message at 18:01 on Mar 8, 2017 |
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Mar 8, 2017 17:58
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Platystemon posted:Believe it or not, there is a good reason for that. Care to explain?
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Apr 10, 2017 23:12
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Baronjutter posted:If I wanted to make a grenade that just sort of plops in the next room or maybe it's magnetic for use in zero-g it would probably look like that. How come no one present or future has invented Halo-style sticky grenades? Would help prevent a lot of tactical oopsies.
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Apr 11, 2017 01:16
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