spatial curvature वाक्य
उदाहरण वाक्य
मोबाइल
- The equations for negative spatial curvature were given by Friedmann in 1924.
- Two, is zero spatial curvature _ a so-called flat universe.
- Three is negative _ " saddle-shaped " spatial curvature.
- One, is positive spatial curvature _ that the universe is like a huge sphere.
- The universe seems " low density " and therefore of negative spatial curvature.
- It is incompatible with observations that definitely rule out such a large negative spatial curvature.
- Thus, Flamm's paraboloid is useful for visualizing the spatial curvature of the Schwarzschild metric.
- Since it features both zero energy density and maximally negative spatial curvature, the Milne model is contradicted by flatness.
- These and other astronomical measurements constrain the spatial curvature to be very close to zero, although they do not constrain its sign.
- Hubble believed that his count data gave a more reasonable result concerning spatial curvature if the redshift correction was made assuming no recession.
- Therefore, regardless of the shape of the universe the contribution of spatial curvature to the expansion of the Universe could not be much greater than the contribution of matter.
- The Hubble parameter can change over time if other parts of the equation are time dependent ( in particular the mass density, the vacuum energy, or the spatial curvature ).
- General relativity merely adds a connection between the spatial curvature of the universe and the energy of such a particle : positive total energy implies negative curvature and negative total energy implies positive curvature.
- Third, the curvature index " k " determines the sign of the mean spatial curvature of spacetime averaged over sufficiently large length scales ( greater than about a billion light years ).
- He was the earliest to employ Alexander Friedmann's and Georges Lema�tre's non-static solutions of Einstein's gravitational equations describing a universe of uniform matter density and constant spatial curvature.
- If the spatial flatness is forced by something like inflation, then the large-scale spatial curvature might actually be 0.00000000000000 . . . 00000 . . . . 00000 with a large number of zeros.
- It is unstable in the sense that any slight change in either the value of the cosmological constant, the matter density, or the spatial curvature will result in a universe that either expands and accelerates forever or re-collapses to a big crunch.
- Where H is the Hubble parameter, a is the scale factor, G is the gravitational constant, k is the normalised spatial curvature of the Universe and equal to " 1, 0, or + 1, and \ Lambda is the cosmological constant.
- This means that the universe can be well approximated by a model where the spatial curvature parameter k is zero; however, this does not necessarily imply that the universe is infinite : it might merely be that the universe is much larger than the part we see . ( Similarly, the fact that Earth is approximately flat at the scale of the Netherlands does not imply that the Earth is flat : it only implies that it is much larger than the Netherlands .)
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