The 20th data release of the Sloan Digital Sky Survey
The Sloan Digital Sky Survey has released its 20th data set, providing an expansive look at stars, black holes, and galaxies. This release marks a significant expansion of the project's capabilities, including new spectroscopic data from both hemispheres.
Why it matters
This data is essential for astronomers to understand the physical processes governing the universe and the evolution of cosmic structures.
edited by Sadie Harley , reviewed by Andrew Zinin
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Add as preferred source A three-part image showing results from the three mappers that make up DR20 data. Credit: SDSS-V 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 established with prior releases. This milestone provides an unprecedented look at the stars, the interstellar medium (ISM) and distant galaxies that make up the cosmos.
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