The Safe at the Edge of the Universe ⚡ экспресс
Original: "The mini-Page Curve in Cosmology"
Like a safe with a timer, the cosmological horizon doesn't release information immediately. Physicists have calculated the exact moment when this happens.
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Imagine the steam rising from a cup of coffee: each wisp carries away information. Physicists have pinpointed the moment when information starts leaking from the cosmological horizon — much like from an evaporating black hole. The calculation showed: this happens 1/8 of the characteristic time after a particle pair is born.
🎯 Our cosmological horizon is a sphere with a radius of about 46 billion light-years. Inside it lies all the matter we will ever be able to observe. Its thermal radiation is so weak that its temperature (around 10⁻³⁰ K) is trillions of times lower than that of the coldest corners of space.