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Posts by Separatrix‭

6 posts
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Q&A How can the Hertzsprung-Russell diagram be used in star building?

I've grabbed an observational Hertzsprung"“Russell diagram from the wikipedia article about the same. In this case it's a plot of 22,000 stars and you can see that there's a lot more flexibility i...

posted 5y ago by Separatrix‭

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Q&A Regional Climate in a Dyson Sphere

A Dyson Sphere, being a sphere, is a uniform "equatorial" climate across the entire surface. I consider this to be a major problem. Somewhere between the Dyson Sphere and the Dyson Hyperboloid is ...

1 answer  ·  posted 8y ago by Separatrix‭  ·  last activity 8y ago by Separatrix‭

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Q&A World Turtle - Reproduction

There has evolved a species of turtles large enough to maintain an atmosphere of their own and travel interstellar space. We have already discovered how they don't collapse under their own gravity,...

4 answers  ·  posted 7y ago by Separatrix‭  ·  last activity 7y ago by Separatrix‭

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Q&A Stellar Navigation for Dummies - Finding your way home

Average Joe was an amateur astronomer. While he was out in the wilds one day with his telescope he was kidnapped by aliens, carried off and kept as a slave on a world somewhere in the Milky Way. Ha...

9 answers  ·  posted 6y ago by Separatrix‭  ·  last activity 6y ago by Separatrix‭

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Q&A How does Santa fit down the chimney?

I have evidence that at some point last night a very large man, with a very large sack, somehow came down the chimney, left a gift under my tree, and departed without my noticing. There are sooty f...

13 answers  ·  posted 6y ago by Separatrix‭  ·  last activity 5y ago by Separatrix‭

Question santa-claus
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Q&A How long would a flat Earth last?

As we all know the Earth is flat. Once upon a time a group of explorers set off with the idea of proving that the world was round and that there was a route to the spice islands the other way, but ...

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