Cosmological Redshift Lab
Dial the redshift z to march spectral lines toward the red and read lookback time and comoving distance.
Lookback time6.37 Gyr
Comoving distance1.10 Gly
λ shift×1.50
Interactive model — simplified for intuition, not precision ephemerides.
Concepts in this lab
redshiftlookback timecomoving distancespectral lines
Connected topic
Open lessonHigh-redshift galaxies
A complete introduction to High-redshift galaxies within Galaxy formation & evolution, linking observations, physical models, history and modern applications.