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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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  • Age of the Universe and the Cosmological Constant - Physics Forums
    The presence of the cosmological constant means that the universe is older than it otherwise would have been if it were a purely matter dominated universe The physical rational is that "a cosmological-constant universe is older because it took longer to reach its present rate of expansion" I
  • Cosmological Redshift and Expansion - Physics Forums
    Having done so, cosmological red shift is nothing other than this generalized Doppler between comoving world lines in FLRW solutions The choice is evident in flat spacetime in that Milne coordinates demonstrate cosmological redshift via apparently expanding space between comoving worldlines, that is nothing but Doppler in standard coordinates
  • Dark Energy Part 1: Einstein-deSitter Cosmology - Physics Forums
    In Part 2 of this series, I will solve EEs for the counterparts to these EdS kinematics when a cosmological constant ##\Lambda## is added to the EdS assumptions In Part 3, I will explain the concept of distance modulus and use these cosmology models to fit the SCP Union2 1 type Ia supernova data This will show why astronomers began to believe
  • Inflationary Misconceptions and the Basics of Cosmological Horizons
    5 In the cosmological setting, we get to add the velocities of photons as in Galilean relativity, just like any other old classical object back 6 I, too, thought this way until I was set straight by Davis and Lineweaver [1] back 7 The Hubble radius is not a physical object receding with the expansion, so we don’t apply Hubble’s Law to it
  • Cosmological Redshift: Distinguishing From Doppler Effect - Physics Forums
    You can read it one way and say that the cosmological redshift and the Doppler shift are basically the same thing, because they are the same thing in some coordinates Or you can read it as stating that cosmological redshift and Doppler shift are two similar aspects of a different property: the redshift, which is what fundamental
  • Sigma_8 and n_s Cosmological Parameters - Physics Forums
    [itex]\sigma_8[ itex] is the current amplitude of the matter power spectrum on that scale (as inferred by linear cosmological evolution) This parameter basically encodes information about how much large-scale structure has formed
  • Could Redshifts Be Intrinsic Rather than Cosmological? - Physics Forums
    Evidence for the cosmological interpretation The purpose of this FAQ entry is to explain why nonstandard interpretations of redshifts are not viable, not to explain from scratch how standard cosmological models were arrived at The following is only a very brief recapitulation of where the standard models came from
  • Is the Cosmological Constant Problem a Misunderstanding of Zero-Point . . .
    The so-called dark energy associated with the cosmological constant also has a rather unusual equation of state (EoS) -- very different from all known matter and radiation fields Hence, it seems unlikely that the VeV of these known fields would have such a different EoS
  • The Units of the Cosmological Constant: eV^2 - Physics Forums
    Ok, so the confusion is regarding ##\Lambda## vs ##\rho_\Lambda## I was referring to ##\rho_\Lambda##, 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
  • Schwarzschild metric, cosmological constant - Physics Forums
    The cosmological constant is a constant added to the Einstein-Hilbert action, so the question remains whether black hole solutions are possible with such a modification of the action I have no clue, but my wild guess is that they are not possible because the energy conditions for singularity theorems are violated





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