Introduction to Cosmology
Barbara Ryden
Introduction to Cosmology - A book resource
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More resources on Galaxies & Cosmology
Lambda Archive
CMB and cosmology resources from NASA.
Cosmology Tutorials by Ned Wright
Free tutorials on cosmology basics and advanced topics.
NASA Extragalactic Database (NED)
Comprehensive database for galaxies and cosmology data.
ned.ipac.caltech.edu
NASA/IPAC Extragalactic Database (NED) is a centralized, cross-referenced database of extragalactic objects, serving as a go-to resource for galaxies and cosmology. It provides summarized and downloadable dataāpositions, redshifts, multi-wavelength photometry, spectra, images, and bibliographic referencesāplus search and visualization tools to explore and compare objects across surveys.
Galaxies in the Universe
Galaxies in the Universe - A book resource
cosmologycalculator.com
An interactive web tool for calculating key cosmology quantities. Input parameters and redshift to get distances (comoving, luminosity, angular diameter), lookback time, distance modulus, and the Universeās age under different cosmologies.