The Sloan Digital Sky Survey (SDSS), the largest multispectral imaging and spectroscopic redshift survey of the cosmos, has released its 20th data release (DR 20). It is also the third release of the survey's fifth phase (SDSS-V), representing a massive operational expansion of the legacy establ...
Source: [Phys.org](https://phys.org/news/2026-09-20th-sloan-digital-sky-survey.html)