All Questions
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Why is it surprising that the universe was in an extraordinarily low-entropy state right after the big bang? [duplicate]
So I don't understand why it's surprising that the universe in an extraordinarily low-entropy state right after the big bang?
The way I see it the second law of thermodynamics forbids almost anything ...
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Where does $H = \frac{M_0}{T^2}$ come from?
In this case: $M_0 = \frac{M_{Pl}}{1.66 g_*^{\frac{1}{2}}}$ and $H$ is the Hubble constant (which is not always constant depending on he constitution of the Universe).
where $M_{Pl}$ is Planck's mass ...
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Entropy increase after the Big Bang?
I'm trying to understand the increase of entropy just after the big bang. The way i see it going from a "soup" of particles to organized and ordered sytems like solar system, galaxies and clouster of ...
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Why does the temperature of the early Universe decrease as it expands? [duplicate]
According to the Big Bang theory, the universe cooled down as it expanded. I would like to know why does the temperature decrease? And by "why" I mean how. What causes the temperature to decrease, ...
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14
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Does entropy increase or decrease as our Universe is expanding?
Scientists say that entropy of our universe is increasing as it is expanding and our universe is cooling down gradually from the time of its birth. If something is getting cooler and cooler, then how ...
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