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cosmological    
a. 宇宙哲学的,宇宙论的

宇宙哲学的,宇宙论的

cosmological
adj 1: pertaining to the branch of astronomy dealing with the
origin and history and structure and dynamics of the
universe; "cosmologic science"; "cosmological redshift";
"cosmogonic theories of the origin of the universe" [synonym:
{cosmologic}, {cosmological}, {cosmogonic},
{cosmogonical}, {cosmogenic}]
2: pertaining to the branch of philosophy dealing with the
elements and laws and especially the characteristics of the
universe such as space and time and causality; "cosmologic
philosophy"; "a cosmological argument is an argument that the
universe demands the admission of an adequate external cause
which is God" [synonym: {cosmologic}, {cosmological}]


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  • All About the Einstein Field Equations - Physics Forums
    Tiny Numbers, Big Effects: The cosmological constant () in the EFE, originally introduced by Einstein to allow for a static universe, is estimated at less than It’s small but drives the accelerated expansion of the universe! Weak-Field Limit: The EFE include Newton’s law of gravity as a special case!
  • Learn About the Friedmann Equation and the Cosmos
    The cosmological principle is fundamental to determining the geometry of the universe For example, homogeneity and isotropy reduce the possible spaces that can exist due to symmetry
  • Discussion of Two-Time Physics (I. Bars) and its potential . . .
    Hello everyone, I am seeking to better understand the conceptual foundations and potential consequences of "Two-Time Physics" (2T-physics), as developed by Itzhak Bars and others My interest was sparked by a recent paper that attempts to explain anomalous results in particle physics (apparent
  • How does the symbol Λ cosmological constant relate to Ω_Λ or ρ_Λ?
    From the second link, it says, "Instead of the cosmological constant itself, cosmologists often refer to the ratio between the energy density due to the cosmological constant and the critical density of the universe, the tipping point for a sufficient density to stop the universe from expanding forever This ratio is usually denoted by Ω Λ "
  • The Units of the Cosmological Constant: eV^2 • Physics Forums
    I was referring to , the energy density of the cosmological constant The first paper you cite in the OP is discussing the scale of the energy density, the others discuss the constant appearing in front of the metric in the Einstein field equations These differ by a constant and has dimensions energy^-2 in natural units
  • Deriving the Cosmological Constant • Physics Forums
    The conversation also touches on the relationship between the cosmological constant and energy density, specifically how the term is expressed in the context of Einstein's equations Additionally, there is a focus on the implications of the cosmological constant for creating a static universe and its connection to gravitational potential
  • Cosmological Redshift: Distinguishing From Doppler Effect
    It's due to cosmological redshift, cause cosmological resdshift is caused by the expansion of the universe, meanwhile the doppler shift is caused by the motion of the objects at that instant while they emit light Also the link will be helpful
  • Is Introducing a New Cosmological Model Based on Aether Theory . . .
    Is it ok to introduce a new model for cosmology here? It is a variation on the aether theory I don't think has been noticed or explored specifically and I think has some clout and could use help with speculations As all models for cosmological observations are Physics based, it brings up
  • Does the Cosmological Principle in any way underpin Big Bang Theory . . .
    Am I correct in thinking that the Cosmological Principle has been derived entirely from observational data, and is in no way an assumption? Does the Cosmological Principle have any role in underpinning Big Bang Theory? Specifically, was the data regarding the redshift distance relationship
  • Derivation of the formula for cosmological redshift
    I was hoping somebody could point me towards a derivation of the following formula for cosmological redshift: z = R(t0) R(te)-1 Wikipedia just presents the formula as a fait accompli and the only explanation is a vague reference to "stretched photons", which is not helpful I was





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