Construct · 1 fields · 1 citations

deceleration parameter: a standalone construct

One name. One construct. A landmark on the map.

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Cosmology

dimensionless measure of how fast the cosmic expansion rate is changing, positive for slowing expansion and negative for acceleration.

In cosmology, deceleration parameter refers to dimensionless measure of how fast the cosmic expansion rate is changing, positive for slowing expansion and negative for acceleration. This meaning comes from Sandage (1961) in The Astrophysical Journal.[1]

Unit
Recovery means
Measured by

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Nearby constructs

acceleration4 fields · 4 citationsjingle · one word, four constructs expansion4 fields · 4 citationsjingle · one word, four expansions measure2 fields · 4 citationsjingle · one word, two constructs

References

Sandage, A. (1961). The Ability of the 200-INCH Telescope to Discriminate Between Selected World Models. The Astrophysical Journal, 133, 355. https://doi.org/10.1086/147041

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