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Evidence is mounting that cosmic dark energy, long thought constant, may weaken with time - potentially altering the fate of ...
For generations, humans have gazed at the stars and wondered about the ultimate fate of the universe. Will it expand forever ...
What we saw in the DESI experiments, and now strengthened by our South Pole Telescope observations, is that dark energy is ...
According to the new model, the Universe continues expanding but at a gradually slowing rate until reaching maximum size, ...
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One could argue that cosmologists had made little progress in our understanding of these basic facts since the discovery of the cosmic microwave background (CMB), the afterglow of the Big Bang, in the ...
But the cosmological constant wouldn't stay in the cosmic dustbin for long. Before the end of the 20th century, lambda would be back in a big way, and with a new role.
A recent study suggests the universe's fate may be a dramatic end, as decreasing dark energy could potentially lead to a 'big ...
These days, almost all of cosmology assumes something called the Lambda-CDM model—CDM for cold dark matter, not the topic of this video, and Lambda for the cosmological constant.
Dark energy may not be constant—this discovery could undermine our entire model of cosmological history Story by Bernard J.T. Jones, Licia Verde, Vicent J. Martínez, Virginia L Trimble • 1w ...
The cosmological constant also presented a compelling timeline. Back when the universe was smaller and denser, gravity was gradually slowing the expansion, and the cosmological constant didn’t ...
The standard assumption is that the acceleration rate is itself constant, which will surely result in ultimate heat death. But a recent survey of primordial sound waves frozen into the way galaxies ...
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