Answer Happy

Posted: **Fri May 06, 2022 6:44 am**

: 1 Astronomical Redshift A Galaxy Is Observed To Be Receding From Us At A Speed Of 7500 Kilometers Per Second It Emit 1 (13.83 KiB) Viewed 40 times

1). Astronomical redshift. A galaxy is observed to be receding from us at a speed of 7500 kilometers per second. It emits orange light at its source of frequency 5 x 10¹4 Hz. What frequency do we observe here on earth?