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  1. J

    Writing: Input Wanted Hi, new member here.. with a quick nuke blast question...

    There were casualties from fallout, but were there any from the detonation itself?
  2. J

    Planetary tidal locking of Close Binary Red Dwarf Stars

    Yes they are quite common, but they don't work if the all the bodies are separated by comparable distances that are also changing. In your large diagram showing a planet in a circular orbit about two stars in eccentric orbits, in fact the gravitational forces on the planet would be changing...
  3. J

    Planetary tidal locking of Close Binary Red Dwarf Stars

    This might be amusing to experiment with: https://phet.colorado.edu/sims/my-solar-system/my-solar-system_en.html
  4. J

    Planetary tidal locking of Close Binary Red Dwarf Stars

    My immediate, gut-feeling, reaction is that the final planet is doomed. It's going to fall into one of the suns or be kicked out of the system entirely.* Realistically its only change of finding a stable orbit is to get in to a Trojan configuration (the L4 or L5 point) , where it and the two...
  5. J

    Planetary tidal locking of Close Binary Red Dwarf Stars

    According to Wikipedia, Venus' weak magnetic field is caused by interactions between the ionosphere and the solar wind--it's not produced by a planetary dynamo, and it has a "negligible" effect on protecting the atmosphere (which contains virtually no hydrogen) from cosmic rays. It has been...
  6. J

    Food for thought: What type of alien have you NOT seen ...

    In fiction there have been aliens with trifold symmetry (3 equally spaced arms, eyes &c), but I don't know if they ever made it to the screen).
  7. J

    Planetary tidal locking of Close Binary Red Dwarf Stars

    I suspect that at 0.25 AU you'd be fairly safe from tidal locking. I'm basing this on the fact that Mercury isn't locked, at about 0.4 AU and with a stellar mass probably at least an order of magnitude greater than you are considering. Edit. Some quite uniformed thoughts about magnetic fields...
  8. J

    Writing: Input Wanted Hi, new member here.. with a quick nuke blast question...

    Are you sure? Wikipedia "Little Boy": That makes sense to me.
  9. J

    Writing: Input Wanted Hi, new member here.. with a quick nuke blast question...

    I assume that what's causing the mushroom cloud is a body of extremely hot air rising very fast, and pulling air in behind it. I don't know if the altitude of detonation would make much difference, within reason. An air burst would be more plausible, though; as I understand it, that's standard...
  10. J

    Writing: Input Wanted Hi, new member here.. with a quick nuke blast question...

    I'd imagine that behaviour would be true for any that did form mushroom clouds, and they seem a characteristic feature of big blasts.
  11. J

    Writing: Input Wanted Hi, new member here.. with a quick nuke blast question...

    Probably worth mentioning that each was 23 kiloton.
  12. J

    Writing: Input Wanted Hi, new member here.. with a quick nuke blast question...

    A quick calculation suggests that if your character was standing two kilometres (a bit more than a mile) from a 10-megaton explosion, he'd be incinerated on the spot. The immediate effect would be an intense blast of heat, followed by an actual blast wave that would smash everything within a...
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