kingledion‭

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 8y ago by kingledion‭  ·  last activity 8y 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 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 7y ago by kingledion‭  ·  last activity 7y 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 7y ago by kingledion‭  ·  last activity 7y 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 8y ago by kingledion‭  ·  last activity 8y 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 8y ago by kingledion‭  ·  last activity 8y ago by kingledion‭

The Bay of Fundy sees the world's highest tides, with ocean water advancing and withdrawing as much as 20 meters or more within a single day. Here is a list of the 50 tidal stations around the wo...

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

Setting In a tropical shore, where a great river empties into the sea, there is a zone of very high tides. The water level rises and falls by meters every day. In this challenging ecosystem, alter...

5 answers  ·  posted 6y ago by kingledion‭  ·  last activity 6y ago by kingledion‭

What is the most powerful magnetic field that could be generated by a planetary object? The measurement of 'powerful' will be field strength ($\mathbf{B}$-field) at the planet's surface, in teslas....

3 answers  ·  posted 6y ago by kingledion‭  ·  last activity 6y ago by kingledion‭

Background It is the near future. After a major world war and limited nuclear exchange, the nations of Earth have consolidated into a few blocs. The threat of further war and the cumulative damage...

10 answers  ·  posted 6y ago by kingledion‭  ·  last activity 6y ago by kingledion‭

Background This is a Terror Bird: Specifically, this is Titanis one of the largest of the carnivorous Phorusrhacidae; it was perhaps 2.5 meters tall and 150 kg. I would like a terror bird that...

5 answers  ·  posted 6y ago by kingledion‭  ·  last activity 5y ago by kingledion‭

The Progenitors are an ancient race of almost infinite technological sophisitication, who mysteriously vanished millions of years ago for no good reason (I don't like TV Tropes, but you are welcome...

1 answer  ·  posted 6y ago by kingledion‭  ·  last activity 6y ago by kingledion‭

In the world of this question, ants and especially termites are the dominant herbivores by mass. There are no large grazing mammals competing with the bugs for the siliceous grasses and thorny tree...

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

Introduction See background information here. 1000 years after darkness fell on Old Earth, humanity is scattered throughout the solar system. Apart from the Harmonious Republic of Mars, there are...

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

Supposing I have a room currently occupied by Jedi Knights, or some other force that I can't defeat with battle droids and brute strength. I wish to incapacitate the occupants of this room with a g...

8 answers  ·  posted 6y ago by kingledion‭  ·  last activity 6y ago by kingledion‭