Dark energy flips its sign, but the Hubble tension refuses to budge
New data suggests dark energy may not be constant, though the persistent Hubble tension remains an unresolved cosmic mystery.
📍 The outcome
Researchers used a neutron star merger and new measurements to study the universe's expansion rate. Data from the Dark Energy Survey hinted at non-constant expansion and a sign flip for dark energy.
However, the Hubble tension remained unresolved.
Epilogue added 42d ago, after coverage quieted.
Answered
What is the current status of the universe's expansion?
According to The Japan News, researchers say the expansion of the universe is still accelerating.
What method was used to measure cosmic expansion in recent reports?
Universe Today reports that astronomers used a neutron star merger to conduct the measurement.
What does the Dark Energy Survey data suggest?
Quantum Zeitgeist reports that the data hints at a non-constant expansion.
Where it stands
Recent measurements indicate that dark energy may have flipped its sign and that the expansion of the universe is non-constant. Despite these hints, researchers maintain that the expansion of the universe is still accelerating.
Coverage from Phys.org, Quantum Zeitgeist, and The Japan News emphasizes the fluctuating nature of expansion and the stubborn persistence of the Hubble tension. Technology Org and Universe Today highlight the methods used, including the analysis of a neutron star merger to measure the rate of cosmic expansion.
Future focus remains on whether these new measurements will bring a closer understanding of the universe's expansion rate and if the Hubble tension can be resolved.
Synthesized by Newsylist from the headlines below under a strict no-invention contract. ✓ fact-checked: all claims supported by sources Updated 42d ago.
Who reported it (5)
- New measurement brings us closer to understanding the Universe’s rate of expansion Technology Org · 45d ago
- Yes, the Universe’s Expansion Is Still Accelerating, Researchers Say The Japan News · 45d ago
- Dark Energy Survey Data Hints At Non-Constant Expansion Quantum Zeitgeist · 45d ago
- Astronomers Use a Neutron Star Merger to Measure Cosmic Expansion Universe Today · 45d ago
- Dark energy flips its sign, but the Hubble tension refuses to budge Phys.org · 45d ago broke it first
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