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Posts by Future Historian‭

14 posts
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Q&A What makes a spacefaring civilization, a spacefaring civilization?

Aka: What I am asking is: what are the basic elements a society capable of space travel needs? What key factors determine a species'capacity to become spacefaring and what cultural and societal asp...

6 answers  ·  posted 9y ago by Future Historian‭  ·  last activity 8y ago by Future Historian‭

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Q&A If a Mars Race occured, what are its technological implications on the average person?

I am working on an alternate history where the USSR won the Moon Race (by upgrading the NK-15, starting development of the N1 earlier, and making cybernetics/computer science not a "bourgeois pseud...

3 answers  ·  posted 8y ago by Future Historian‭  ·  last activity 7y ago by Future Historian‭

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Q&A Is the following mission profile appropriate for a manned mission?

My idea was to use 2 stages for an interstellar spacecraft (particularly the Orion Drive) and use it in a way similar to Project: Daedalus. Phase 1 would involve accelerating to cruising speed foll...

1 answer  ·  posted 8y ago by Future Historian‭  ·  last activity 8y ago by Future Historian‭

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Q&A How can I make an alphabet for a fictional dialect of a real language?

The following post is copy-pasted from a similar question on Reddit: Apparently, I already started work on the story and it turns out, that I have Ganymede speaking a fictional Russian dialect ca...

3 answers  ·  posted 8y ago by Future Historian‭  ·  last activity 8y ago by Future Historian‭

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Q&A Under the following conditions, would any technological civilisation build a chemical rocket, and if so, how?

I have a captured planet/moon orbiting HD 37124 c, known as HD 37124 c m XVIII, and I was wondering: since the moon has 1.7 Earth masses, 1.1 Earth radii, a density of 7.038 g/cm^3 and a gravitatio...

4 answers  ·  posted 8y ago by Future Historian‭  ·  last activity 8y ago by Future Historian‭

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Q&A How realistic/unrealistic is the trope of "The Earth that Was"?

The idea of the trope is that at some point, Earth is doomed, humans flee into the stars, knowledge of Earth is lost in the process, eventually becoming legend or myth, either due to loss of inform...

8 answers  ·  posted 7y ago by Future Historian‭  ·  last activity 7y ago by Future Historian‭

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Q&A Would the following hypothetical planets in the 61 Cygni binary star system have stable orbits?

To clarify, I realised that I kind of ran into a problem trying to check the orbital stability of two fictional planets in orbit around the real life 61 Cygni binary star star system. To explain...

1 answer  ·  posted 7y ago by Future Historian‭  ·  last activity 7y ago by Future Historian‭

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Rigorous Science How to create a realistic, Earth-like exoplanet?

Well, I ask the question because apparently I am going to aim for NaNoWriMo. I am calculating the density of a planet with 1.8 Earth masses and 0.9 Earth radii, but last I checked, the calculation...

1 answer  ·  posted 9y ago by Future Historian‭  ·  last activity 8y ago by Future Historian‭

Question planets physics
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Rigorous Science Is this an appropriate manned interstellar mission profile?

My idea was to use 2 stages for an interstellar spacecraft (particularly the Orion Drive) and use it in a way similar to Project: Daedalus. Phase 1 would involve accelerating to cruising speed foll...

2 answers  ·  posted 8y ago by Future Historian‭  ·  last activity 8y ago by Future Historian‭

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Rigorous Science If a colonial uprising occurred (and succeeded to some extent), what would the implications be on extraplanetary policy?

So, I ran into a problem regarding the aftermath of a colonial war for independence. What happens is the following: The scenario is this: late 24th Century, humans have colonised the Inner Solar Sy...

3 answers  ·  posted 8y ago by Future Historian‭  ·  last activity 8y ago by Future Historian‭

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Rigorous Science 73 Gigatonnes of TNT upon collision could cause how many casualties?

So, after going through a some rough calculations, I figured my earlier question ran into a few problems regarding the final velocity of the asteroid. I pulled the mathematics a bit incorrect, so I...

2 answers  ·  posted 8y ago by Future Historian‭  ·  last activity 8y ago by Future Historian‭

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Rigorous Science How does a spacecraft attempt an intercept course with a hostile one realistically (Part II)?

Well, gentlemen. Here is Part II. We know what to do about the manoeuvre, but we need to know possible tactical options the two Task Groups would use. Background Now, as previously specified, we...

3 answers  ·  posted 8y ago by Future Historian‭  ·  last activity 5y ago by Future Historian‭

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Rigorous Science Can a Whipple Shield be a viable method of space combat protection?

Like it says on the tin. Problem? Basic configuration is not going to work. If I used several additional layers and all the Outer and Inner layers using carbon nanotubes, whereas the Middle Layer(s...

3 answers  ·  posted 8y ago by Future Historian‭  ·  last activity 5y ago by Future Historian‭

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Rigorous Science If I launched a nuclear pulse fission spacecraft to the specified destinations, what would be a good launch window and how long to arrive?

I ask because I have a problem trying to find an appropriate launch window around that time or any point in the mid-1980s, and I need to reach Jupiter via Hohmann transfer so I can then use a serie...

2 answers  ·  posted 8y ago by Future Historian‭  ·  last activity 8y ago by Future Historian‭