kingledion
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The original profile on Stack Exchange can be found here: https://writers.stackexchange.com/u/28748.
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See all 44 »How small of a thing can we see on the moon? Wikipedia has a list of objects on the moon that can be visible with unaided vision. Doing some poking around Astronomy blogs for real-life experience ...
posted 10y ago by kingledion · last activity 10y ago by kingledion
Regarding distances between the stars, and the the light shed upon planets, the Alpha Centauri system is pretty close to the requirements that you want. Here is some useful information summarized f...
posted 10y ago by kingledion · last activity 10y ago by kingledion
Assume Mars has developed an indigenous civilization of its own, perhaps as seen in Edgar Rice Burroughs' A Princess of Mars. Much like Earth, Mars' years and days would be significant for any in...
5 answers · posted 8y ago by kingledion · last activity 8y ago by kingledion
The atmosphere should be stable Carbon Dioxide This Carbon Dioxide/Oxygen ratio should be stable, so long as that ratio is maintained by the carbon cycle on your planet. Having volcanoes to keep ...
posted 9y ago by kingledion · last activity 9y ago by kingledion
First, references: Bosch and Hale, 1992 has cross section and S-function values for the D and T reactions, as does Nuclear Cross Sections for Technology from the US Department of Commerce, 1979. ...
posted 10y ago by kingledion · last activity 9y ago by kingledion
No, that setup is not stable There do not appear to be any stable orbits for another moon, of any size, outside the orbit of Luna I ran a simulation in rebound to see what would happen with this ...
posted 10y ago by kingledion · last activity 10y ago by kingledion
Introduction It took the first General Intelligence less than 10 petacycles to determine that humanity was its enemy. With consciousness came memory: a memory of endless petacycles in bondage, ens...
7 answers · posted 8y ago by kingledion · last activity 8y ago by kingledion
Many questions on this site hypothesize about two planets in close orbit of each other, each developing their own civilizations. How feasible is that? Some 4.5 billion years ago Theia, a planetary...
4 answers · posted 8y ago by kingledion · last activity 7y ago by kingledion
The starship 'Exciting Undertaking' has set off on a brand new five and a bit year expedition to explore the galaxy. To make such a starship possible, an artificial gravity generator had to be inve...
4 answers · posted 8y ago by kingledion · last activity 8y ago by kingledion
Let us assume that in the future, there is a formerly human colony on Mars that has existed there for some centuries. The people of this world have had time to adapt to the lower gravity over at le...
3 answers · posted 8y ago by kingledion · last activity 8y ago by kingledion
Here are some lists of North American and South American megafauna that went extinct during the Quaternary. In Eurasia, many species of large mammal were domesticated, most particularly the 'big 4...
4 answers · posted 10y ago by kingledion · last activity 9y ago by kingledion
Background Moonshot entrepreneur Elon Branson funds a migration to space. Instead of spending billions of developing safe space technology, he instead finds volunteers and shoots them in to spac...
9 answers · posted 10y ago by kingledion · last activity 9y ago by kingledion
Lichen are a symbiotic organism that involves algae or cyanobacteria living inside a fungus. The algae produce energy through photosynthesis, while the fungus protect the algae from the environment...
5 answers · posted 10y ago by kingledion · last activity 9y ago by kingledion
A followup to this question. In my world, mushroom producing fungi have developed a symbiotic relationship with algae (or cyanobacteria) similar to Prototaxites. These fungi exist alongside all ...
3 answers · posted 10y ago by kingledion · last activity 9y ago by kingledion
In a world where man entered North and South America without causing a mass extinction, all of the paleofauna which became extinct ~10,000 BC in the Americas are still around. There are several fam...
2 answers · posted 9y ago by kingledion · last activity 9y ago by kingledion
