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If the curvature of the universe is hyperbolic or flat, or if dark energy is a positive cosmological constant, the universe will continue expanding forever, and a heat death is expected to occur, [3] with the universe cooling to approach equilibrium at a very low temperature after a long time period.
This is the timeline of the Universe from Big Bang to Heat Death scenario. The different eras of the universe are shown. The heat death will occur in around 1.7×10 106 years, if protons decay. [citation needed]
The Last Question – A short story by Isaac Asimov which considers the inevitable outcome of heat death in the universe and how it may be reversed. Heat death of the universe – Possible fate of the universe; Timeline of the far future – Scientific projections regarding the far future
The heat death scenario is compatible with any of the three spatial models, but it requires that the universe reaches an eventual temperature minimum. [25] Without dark energy, it could occur only under a flat or hyperbolic geometry. With a positive cosmological constant, it could also occur in a closed universe.
On Wednesday, there were 21 heat-related deaths at Beni Mellal’s main hospital as temperatures spiked to 48.3 degrees (118.9 degrees Fahrenheit) in the region of 575,000 people, most lacking air ...
Even a 1-degree difference in a forecast’s accuracy can be the difference between life and death, our research shows. As economists, we have studied how people use forecasts to manage weather risks.
Death Valley's infamous heat record remains unbroken as summer ends. Doyle Rice, USA TODAY. Updated August 31, 2024 at 7:26 AM. ... Very rare, very extreme events occur, often at return intervals ...
This marks the end of the Black Hole Era. Beyond this time, if protons do decay, the universe enters the Dark Era, in which all physical objects have decayed to subatomic particles, gradually winding down to their final energy state in the heat death of the universe. [9] [139] 10 161