The universe may have recently started slowing down its rate of expansion
New cosmological data suggests the universe's expansion may be slowing down, challenging the long-held belief that dark energy is relentlessly accelerating the growth of everything in existence.
For decades, astronomers believed the universe was expanding at an ever-increasing speed, but recent mapping of 15 million galaxies suggests we may be 'tapping the brakes.' Researchers found that previous measurements were skewed by an 'age bias' in supernovae, where younger stellar explosions appeared deceptively dim.
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