Definitions
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- adjective Insufficiently
dense
Etymologies
from Wiktionary, Creative Commons Attribution/Share-Alike License
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Examples
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Thus the slightly larger expansion rate of the underdense regions makes the measured expansion rate appear to accelerate.
Dark Matter: Still Existing Sean 2007
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The idea here is that as structure forms, your overdense regions become smaller, while your underdense regions become larger.
Dark Matter: Still Existing Sean 2007
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With a cosmological constant, for instance, the potential becomes shallower as the light traverses it, so the blueshifting as it goes in outpaces the redshifting as it comes out, making for a small blueshifting of the light as it passes through overdense regions, and a small redshifting as it passes through underdense regions.
A Dark, Misleading Force Sean 2007
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