Recent questions in Cosmology

+302 votes

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In the paradigm of multiverse quantum cosmology, considering the Schrödinger equation and the role of quantum entanglement in potentially unifying disparate realities, how can the boundary condition (analogous to the "רקיע" or firmament separating the 'upper waters' from 'lower waters') be interpreted in the context of maximizing quantum information entropy? Does this lead to an increase in complexity (akin to 'lower waters' seeking elevation) in the system's evolution? Moreover, can the third day of creation, a period marking a significant transition (i.e., the appearance of dry land), be symbolically translated into terms of a phase transition in a quantum field, marking the shift from a chaotic, high-entropy state to a more ordered one? Finally, how could such a quantum phase transition

asked Sep 18, 2022 in Cosmology by PETETONG89

+27 votes

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What is the difference between gravitational force and universal expansion?

asked Sep 17, 2022 in Cosmology by MR K

+5 votes

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Is all matter in the universe made up of energy?

asked Sep 14, 2022 in Cosmology by seaj

+2 votes

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Could the arrow of time theoretically work in reverse in other universes, (multiverse)?

asked Sep 12, 2022 in Cosmology by mainman

+108 votes

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If the cosmological constant were zero, would the expansion of the universe stop?

asked Sep 11, 2022 in Cosmology by gomedia91

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What are the benefits of traveling through a black hole?

asked Aug 15, 2022 in Cosmology by Simba_ali

+102 votes

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If the stars we see are many light years away, doesn't that mean that many of them might no longer exist and the light from whatever event destroyed them simply hasn't reached us yet, sort of like looking into the past?

asked Aug 14, 2022 in Cosmology by Antony Edwards

+11 votes

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What is dark matter? What are axions?

asked Aug 13, 2022 in Cosmology by Ian McM

+259 votes

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How far into the multiverse can we see?

asked Aug 11, 2022 in Cosmology by CelestialCharm

+115 votes

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How do scientists detect and study dark matter if it does not emit or interact with light?

asked Jul 16, 2022 in Cosmology by Fred1959

+9 votes

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How do spaceships move in space if there is no matter?

asked Jun 18, 2022 in Cosmology by TH59

0 votes

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I'll answer any question you want, atheists, but first answer my 2 questions. If time, space and matter came from the Big Bang, then what caused the Big Bang? If there is no God, then why is there something rather than nothing?

asked Jun 18, 2022 in Cosmology by LunarTwilight

+15 votes

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Do you know that you are the universe aware of itself?

asked Jun 17, 2022 in Cosmology by CrystalSculptor

+226 votes

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Why can't I perceive the constant change in the universe? It's only by looking at scientific studies that I am even aware of how much the universe changes.

asked Jun 12, 2022 in Cosmology by jimbobfingernails

+233 votes

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What are the biggest money secrets that rich people keep from us?

asked May 17, 2022 in Cosmology by NovaMystic

+19 votes

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Can you go behind a black hole?

asked May 16, 2022 in Cosmology by Goddo

+221 votes

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If the universe existed for over 17 billion years, why is today’s date December 16 2022, and not December 16 17 billion?

asked May 11, 2022 in Cosmology by Lokkars Daisy

+261 votes

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Is everything real in the multiverse?

asked Apr 12, 2022 in Cosmology by Osmoll

+21 votes

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What if the Big Bang didn't happen and the universe always just existed?

asked Mar 18, 2022 in Cosmology by NebulaOracle

+21 votes

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If you were an observer of a white hole while you were on Earth, why would it appear as the past?

asked Mar 16, 2022 in Cosmology by ZephyrSculptor