from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. Plural form of overdensity.
Sorry, no etymologies found.
So, his installation includes a stained glass rendition of the cosmic microwave background, or the light from the universe just 300,000 years after the Big Bang, complete with the seeds of overdensities that would become galaxies that we live in.
Now, because the details of how structure forms depend not only on the background evolution, but also on how the different energy components of the universe cluster, and on the equations obeyed by the overdensities themselves, the size and sign of the late-time ISW effect depends on the origin of cosmic acceleration.
This tutorial discusses Scan Statistics, a famous epidemiological method for discovering overdensities of disease cases.