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Posts by cypher‭

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Q&A Self defense on Mars

Here's the situation: Mars has been colonized in the near future "“ tens or hundreds of thousands of people live on Mars. For political reasons, EarthGov is against sending weapons to Mars; and, ...

12 answers  ·  posted 6y ago by cypher‭  ·  last activity 6y ago by cypher‭

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Q&A Making airships\blimps\dirigibles the dominant form of air transport

While similar to other questions they mostly focused on what impacts required in the past to keep airships as a popular air transport method today, this question is about how to make airships the d...

11 answers  ·  posted 5y ago by cypher‭  ·  last activity 5y ago by cypher‭

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Q&A Self-sustaining Mars colonization

Background A 100 years in the future Mars has been colonized, new settlers and resources arrive from earth every 26 months (when the planetary orbit lines up best) by first taking the space elevat...

7 answers  ·  posted 5y ago by cypher‭  ·  last activity 4y ago by cypher‭

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Q&A The weird case of the unresponsive Earth - why does the Earth stop communicating with Mars?

Mars has been colonized, close to a million people are now living above (and below) the martian soil, every few months a ship from Earth arrives with more resource for expansion and more settlers, ...

13 answers  ·  posted 5y ago by cypher‭  ·  last activity 5y ago by cypher‭

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Q&A Can a human born & raised in zero gee survive on a earth like planet for a short while

I've been toying with an idea of a epic space fantasy where a certain area of the milky way is controlled by decedents of humanity that are born, live & die in spaceships, said "ngees" as the "...

2 answers  ·  posted 5y ago by cypher‭  ·  last activity 5y ago by cypher‭

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Q&A My perfect evil overlord plan... or is it?

Me You might call me evil but the facts are I deserve to rule all of the world, everyone & everything in it. What I already have done For years I have worked in the shadows (as much as you c...

30 answers  ·  posted 5y ago by cypher‭  ·  last activity 5y ago by cypher‭

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Q&A Electricity free spaceship

Assume there's a spaceship in earth orbit that its crew of 24 want to get to Mars, the crew are all humans and possess all of modern day knowledge and equipment, is it possible for said ship to mak...

10 answers  ·  posted 5y ago by cypher‭  ·  last activity 5y ago by cypher‭

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Q&A Why will we fail creating a self sustaining off world colony?

There have been many (many) questions around here about the how, why & even when will man kind become a multi planet society... this is not one of them. This question in fact goes the other wa...

15 answers  ·  posted 5y ago by cypher‭  ·  last activity 5y ago by cypher‭

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Rigorous Science Big moon, small planet - can an earth sized moon orbit a moon sized planet?

I know that objects with lower mass tends to orbit objects with higher mass, is it possible to have a Moon sized planet who's mass is so heavy that an Earth sized planet orbit it as it's Moon in a ...

1 answer  ·  posted 5y ago by cypher‭  ·  last activity 5y ago by cypher‭

Question space astronomy
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Rigorous Science Shooting through the earth

Due to reasons of magic an alien god that is about to takeover the earth in one year and can only be stopped by being shot through the entire earth. Assuming modern day Earth (no magic other then ...

6 answers  ·  posted 4y ago by cypher‭  ·  last activity 4y ago by cypher‭