Astronomical phenomenon attributable to the Doppler effect that occurs when a light source moves away from an observer — Crossword Clue

What is the answer to the crossword clue „Astronomical phenomenon attributable to the Doppler effect that occurs when a light source moves away from an observer“. We have found 1 Answers for: „Astronomical phenomenon attributable to the Doppler effect that occurs when a light source moves away from an observer“. Try to find some letters, so you can find your solution more easily.