Cosmology News

But IS the universe accelerating?

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Doesn’t far more depend on such a claim than is reasonable? From Jesse Emspak at LiveScience:

A new study may help reveal the nature of dark energy, the mysterious substance that is pushing the universe to expand outward. Dark energy may emerge from fluctuations in the nothingness of empty space, a new hypothesis suggests.

The new study proposed that the expansion is driven by fluctuations in the energy carried by the vacuum, or regions of space devoid of matter. The fluctuations create pressure that forces space itself to expand, making matter and energy less dense as the universe ages, said study co-author Qingdi Wang, a doctoral student at the University of British Columbia (UBC) in Canada. More.

See also: How naturalism rots science from the head down

and

The Big Bang: Put simply, the facts are wrong.

Also: See also: Take back Nobel prizes for accelerating expansion of universe? Dark energy might be an illusion say some researchers. But we thought only a denialist was allowed to doubt the accelerating expansion of the universe. Rules change?

Expanding space bubbles could doom dark energy? Is it possible that the sheer ability to make up theories without consequence is adding to the confusion?

Dark energy made by black holes? But do we know that dark energy actually exists? Finding some would help us decide whether to cheer on or deprecate the revolution.

String theorists losing bets? Resorting to “denialism”?

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