будущее (англ.)

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Очень интересная статья в Википедии: Timeline Of the Far Future

• 50,000 years: Because of tidal acceleration, the astronomical day will now be about 86,401 SI seconds. Under the present day timekeeping system, a leap second will need to be added to the clock every day.
  
• 14.4 billion years: Sun becomes a black dwarf as its luminosity falls below three trillionths its current level, while its temperature falls to 2239 K, making it invisible to human eyes.
  
• 100 billion years: The Universe's expansion causes all evidence of the Big Bang to disappear beyond the practical observational limit, rendering cosmology impossible.
  

идр. идр. идр.