Red shift refers to the red hue the universe has when viewed through a telescope.
Your prompt is RED SHIFT.
Bloody universe
Shifting away. Do you flee
Your explosive past?
Because of the outward expansion of the universe, light that reaches us is shifted toward the red part of the visible light spectrum. If objects were coming toward us, they’d have a blue hue. There’s a good explanation here.
Bloody universe?
No, just light's tired travels
Time's relentless march
Red to redder and fast to faster,
Infraredder to ultra-ultrafaster -
universe flings itself apart