Which is evidence for the existence of dark energy?(1 point)
Responses
Galaxies that are rotating at a constant rate.
Galaxies that are rotating at a constant rate.
Supernovae that are moving away at an accelerating rate.
Supernovae that are moving away at an accelerating rate.
Black holes that are expanding at a constant rate.
Black holes that are expanding at a constant rate.
Pulsars that seem to be moving closer at an accelerating rate.