2 ms·
FYI, redshift is a Doppler effect: https://earthsky.org/astronomy-essentials/what-is-a-redshift/ https://earthsky.org/astronomy-essentials/what-is-a-redshift...
by awb 5y ago
FYI, redshift is a Doppler effect: https://earthsky.org/astronomy-essentials/what-is-a-redshift/ https://earthsky.org/astronomy-essentials/what-is-a-redshift...