Nuclear ignition of gas giant atmospheres

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SUMMARY

The discussion centers on the feasibility of initiating a self-perpetuating nuclear fusion reaction in gas giant atmospheres, particularly through the detonation of a nuclear bomb. Participants argue that while high temperatures and pressures can initiate fusion, the rapid expansion of materials post-reaction leads to a temperature drop, preventing sustained fusion. The conversation also highlights the differences between fusion in stars, which involves weak interactions, and fusion in nuclear weapons, which primarily utilizes strong interactions. Key figures mentioned include the critical temperature of approximately 15 million degrees Celsius for hydrogen fusion and the energy output of the Sun's core, which is significantly lower than that of a candle flame per unit volume.

PREREQUISITES
  • Nuclear fusion principles
  • Understanding of weak and strong nuclear forces
  • Basic astrophysics, particularly stellar structure
  • Knowledge of thermodynamics related to high-pressure environments
NEXT STEPS
  • Research "Nuclear Fusion in Stars" to understand the role of weak interactions
  • Study "Thermodynamics of High-Pressure Systems" for insights into fusion initiation
  • Explore "Astrophysical Quantities" for detailed calculations of solar energy output
  • Investigate "Nuclear Weapons Physics" to compare fusion processes in weapons versus stars
USEFUL FOR

Astrophysicists, nuclear physicists, and anyone interested in the mechanics of fusion reactions in celestial bodies and the implications of nuclear physics in both natural and artificial contexts.

  • #31
Originally posted by Tyro
Assumptions/info needed:
You are misusing the term 'assumption.' What you really mean is prior, a result of a previous experiment. An assumption has no experimental basis. I made no assumptions, but I did make use of priors.

- Warren
 

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