Latest updates for Dark Energy (Astronomy)

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Recent items include:

  • Biggest Supernova Dataset Yet Challenges Dark Energy Theory
  • Alternative gravity theory offers possible explanation for dark energy changing over time
  • What if Dark Energy Was Once Negative? Scientists Uncover a Surprising New Possibility

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scitechdaily.com /1 month ago

Biggest Supernova Dataset Yet Challenges Dark Energy Theory

Nearly 3,000 exploding stars have revealed a startling possibility: the mysterious force accelerating the universe may be changing over time. The largest catalog of Type Ia superno...

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phys.org /1 week ago

Alternative gravity theory offers possible explanation for dark energy changing over time

For many years, the simplest view of dark energy has been that it remains unchanged. Throughout cosmic history, the mysterious ingredient believed to drive the universe's accelerat...

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scitechdaily.com /1 day ago

What if Dark Energy Was Once Negative? Scientists Uncover a Surprising New Possibility

A gravity model that lets dark energy change sign could help resolve a persistent disagreement over how fast the universe is expanding. In an existing theory of gravity, the same p...

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wired.com /1 month ago

Two of the Universe's Great Mysteries May Have Their Own Dimension

Dark energy might be getting weaker. Scientists are wondering if interactions with dark matter in a “dark dimension” may be responsible.

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nanowerk.com /1 month ago

Big supernova dataset challenges dark energy theory

The most comprehensive catalogue of exploding white dwarf stars ever assembled has revealed new clues about dark energy, the mysterious force driving the universe’s accelerating ex...

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phys.org /1 month ago

Big supernova dataset challenges dark energy theory

The most comprehensive catalog of exploding white dwarf stars ever assembled has revealed new clues about dark energy, the mysterious force driving the universe's accelerating expa...

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universetoday.com /1 month ago

A New Catalog of Close to 3,000 Supernova Challenges Theories on Dark Energy

The most comprehensive catalogue of exploding white dwarf stars ever assembled has revealed new clues about dark energy, the mysterious force driving the universe’s accelerating ex...

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scientificamerican.com /1 month ago

NASA’s Roman Space Telescope could reveal dark energy’s deepest secrets

The more scientists try to understand dark energy, the more its mysteries seem to grow. NASA’s newest space telescope is custom-built to crack the case

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pbs.org /1 month ago

How NASA's new space telescope could help solve mysteries of dark energy and dark matter

NASA launched its newest space telescope, undertaking its biggest mission yet to study the universe on a much larger scale. A roughly $4 billion project, the Nancy Grace Roman Spac...

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phys.org /1 month ago

The crisis in cosmology continues: Critical problems in a recent defense of cosmic acceleration

Doubts about the standard model of cosmology are deepening after a new study identified fundamental problems in a recent analysis that defended the conventional view that the unive...

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newscientist.com /2 weeks ago

The telescope that could reveal what dark matter and dark energy are

The Roman telescope is NASA’s newest space observatory. Every 10 months, it will get the equivalent of about 1000 years' worth of Hubble observations. Will it find the answers to o...

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discovermagazine.com /1 month ago

NASA's Roman Telescope Could Unravel the Mysteries of Dark Energy and Dark Matter 

Learn more about the Nancy Grace Roman Space Telescope and how it could uncover some of the mysteries surrounding dark matter and dark energy. 

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phys.org /1 month ago

Gamma-ray signal could be long awaited evidence for WIMPs

Dark matter is known to make up roughly 85% of all mass in the universe, as evidenced by the way galaxies spin and how galaxy clusters are held together under gravity. Yet despite...

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scitechdaily.com /1 month ago

Scientists Say the Universe Isn’t Slowing Down After All

The universe still appears to be expanding at an accelerating rate, despite a recent study that suggested it may have started slowing down. An international team of astrophysicists...

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phys.org /1 week ago

A distant supercluster of galaxies points to self-interacting dark matter

Seven billion light-years from Earth, there is an unexpected cluster of galaxies. It has two regions in the process of colliding with each other with a combined mass of more than t...

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universetoday.com /1 month ago

A Distant Stream of Stars May Offer New Clues to Dark Matter

Dark matter continues to challenge astronomers as they work to solve the mystery of this so-far-unseen material that permeates the Universe. It's not that the stuff doesn't exist....

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scitechdaily.com /3 weeks ago

Dark Matter May Behave Like Waves and a Distant Quasar Could Prove It

A distant quasar’s distorted images could hold clues to what dark matter is made of. Simulations of dark matter behaving like waves now offer a closer match to where those images a...

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scitechdaily.com /1 month ago

Largest-Ever Physics Survey Raises New Doubts About Our Model of the Universe

Physicists around the world remain deeply divided on key mysteries of the universe, from dark matter to quantum gravity. The standard cosmological model failed to gain majority sup...

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scientificamerican.com /1 month ago

NASA launches Roman Space Telescope to explore dark energy and distant worlds

NASA’s Nancy Grace Roman Space Telescope is on a mission to probe dark energy, hunt for distant worlds and transform our view of the universe

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westhawaiitoday.com /1 month ago

New NASA telescope to probe dark energy, dark matter and exoplanets

NASA is preparing to launch its next flagship space observatory, one that scientists plan to use to investigate some of the universe’s biggest mysteries including dark energy and d...

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phys.org /3 weeks ago

Hydrogen's distant glow opens new way to investigate dark energy

The Canadian Hydrogen Intensity Mapping Experiment (CHIME) has shown for the first time that it can detect the faint glow of hydrogen gas from deep in the universe's past using onl...

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theorlandonews.net /1 month ago

NASA launches Nancy Grace Roman Space Telescope to study dark energy, dark matter

LOS ANGELES, Aug. 30 (Xinhua) -- NASA's Nancy Grace Roman Space Telescope launched into space on Sunday, beginning an approximately three-month journey to its final orbit, where it...

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phys.org /1 month ago

The DESI legacy imaging survey releases the largest 2D map of the universe

In 2012, the Dark Energy Spectroscopic Instrument (DESI) was commissioned to measure the effect of dark energy, the mysterious force driving the expansion of the cosmos. Since then...

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phys.org /1 month ago

Webb measures extreme gas outflows from distant 'dead' galaxies

Astronomers using the James Webb Space Telescope have measured the most powerful gas outflow ever recorded from a "dead" galaxy outside our cosmic neighborhood and found that even...

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feeds.theorlandonews.net

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phys.org

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nanowerk.com

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