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Largest-ever supernova catalog ever provides further evidence dark energy is weakening
"We've been waiting to reach this point for a long time."
Using the largest catalog of exploding white dwarf vampire stars ever gathered has provided further evidence that dark energy, the mysterious force accelerating the expansion of the universe, is getting weaker. "I don't think anyone is jumping up and down getting overly excited yet, but that's because we scientists are suppressing any premature elation since we know that this could go away once we get even better data," Saul Perlmutter, study team member and a researcher at Berkeley Lab, said in a statement. "We wanted to set a baseline before we bring in several hundred new low-redshift supernovas, which is one of the areas where the calibration is most crucial and where we have some of the weakest datasets in the results so far," Greg Aldering, study team member and a researcher at Berkley Lab, said in the statement.
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