We live at the beginning of the time when life is possible

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    Beginning Life Time
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SUMMARY

This forum discussion centers on the concept of the timing of life in the universe, specifically the idea that Earth exists at the beginning of a period where life is possible, estimated to span from approximately 9 billion years to 1031 years. Key contributors include Paul Davies, who discusses the longevity of stars and black holes, and Alex Vilenkin, who outlines the eventual exhaustion of stars and the decay of matter. The conversation explores the implications of being early in this timeline and questions the perceived "fishiness" of this situation, with participants debating the significance of our existence in the context of cosmic history.

PREREQUISITES
  • Understanding of stellar evolution and the life cycle of stars
  • Familiarity with cosmological concepts such as black holes and dark energy
  • Knowledge of the timeline of the universe's history, particularly the formation of elements
  • Basic grasp of quantum theory and its implications for matter and energy
NEXT STEPS
  • Research the implications of Paul Davies' theories in "The Cosmological Jackpot"
  • Explore Alex Vilenkin's concepts in "Many Worlds in One" regarding the lifespan of matter
  • Investigate Hawking radiation and its effects on black hole longevity
  • Examine the philosophical implications of life existing at the beginning of the habitable zone
USEFUL FOR

Astronomers, cosmologists, philosophers, and anyone interested in the origins of life and the timeline of the universe will benefit from this discussion.

  • #31
robertjford80 said:
Look, it's quite obvious that there are some numbers that are special and some that aren't. Since you can't understand that, there is no point in dialoguing.

Don't take my word for it. Try to prove this to yourself mathematically! Define what you mean by 'special', and then show that the irrational number PI satisfies your definition over say the real numbers.
 
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  • #32
You're just begging the question that things must be proven mathematically. Not everything must be proven using mathematics. Take beauty, beauty certainly isn't proven with mathematics. Only a conscious agent can determine what is special and they do it without recourse to mathematics.
 
  • #33
Closed pending moderation.
 

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