Responses
Pulsars that seem to be moving closer at an accelerating rate.
Pulsars that seem to be moving closer at an accelerating 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.
Galaxies that are rotating at a constant rate.
Galaxies that are rotating at a constant rate.
1 answer
The correct response is:
Supernovae that are moving away at an accelerating rate.
This observation is one of the key pieces of evidence for the existence of dark energy, as it suggests that the expansion of the universe is accelerating rather than slowing down, indicating the presence of a force or energy working against gravity.
