Image: Look-back time by redshift
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Look-back_time_by_redshift.png (576 × 455 pixels, file size: 20 KB, MIME type: image/png)
Description: The cosmological look-back time of astronomical observations in billions of years ago by their redshift value z, demarcated by the furthest present known object, galaxy JADES-GS-z13-0. Please see also S.V. Pilipenko (2013-21) "Paper-and-pencil cosmological calculator" arxiv:1303.5961, for the Fortran-90 code upon which the Python code below for this chart was based.
Title: Look-back time by redshift
Credit: Own work
Author: Sandizer
Usage Terms: Creative Commons Zero, Public Domain Dedication
License: CC0
License Link: http://creativecommons.org/publicdomain/zero/1.0/deed.en
Attribution Required?: No
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