A mysterious force known as dark energy is making the universe expand at an accelerating rate, but we don’t know where it comes from. Could black holes be the answer?
according to observations of ancient, dormant galaxies with black holes at their centre.
One possible explanation is that the source of this dark energy is black holes, but there hasn’t been good experimental evidence to conclusively support this idea.at the Rutherford Appleton Laboratory in Harwell, UK, and his colleagues compared groups of galaxies with black holes at their centre: a young, distant group and a closer, older group that have stopped growing.
If black holes really are the source of the universe’s dark energy and its expansion, it would also solve another outstanding cosmic conundrum: what happens at the centre of black holes, so-calledBlack holes with cores of dark energy avoid the need for singularities, but there weren’t any easy ways to test this. “These have just been theories until now. Now, you’ve got the observational evidence that supports black holes having dark energy cores,” says Pearson.
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