DESI Findings Challenge Cosmology: Dark Energy May Not Be Constant, New Models Needed

March 19, 2025
DESI Findings Challenge Cosmology: Dark Energy May Not Be Constant, New Models Needed
  • The quantum technology sector has seen significant growth, generating over $1.4 billion in revenue in 2024, with more than $1 billion coming from quantum computing alone.

  • Recent findings from the Dark Energy Spectroscopic Instrument (DESI) suggest that dark energy, which drives the universe's accelerating expansion, may not be constant but rather evolving.

  • Mustapha Ishak, a cosmologist from the University of Texas at Dallas, described these findings as 'game-changing' for cosmology, indicating that the universe may not expand indefinitely and could potentially re-collapse.

  • The DESI project, based at Kitt Peak National Observatory in Arizona, has released data from over 14 million galaxies spanning 11 billion years, marking a significant advancement in our understanding of cosmic evolution.

  • Researchers involved in the DESI project, including physicist Nathalie Palanque-Delabrouille, have increased confidence in their findings, suggesting that no overlooked factors are influencing the results.

  • With a goal to map around 50 million galaxies and quasars by 2026, the collaboration is part of a broader effort that includes other initiatives like the European Space Agency's Euclid mission, which also investigates dark energy.

  • In another scientific breakthrough, researchers at Oregon State University have developed a new magnetic nanoparticle that targets ovarian tumors and can be heated to kill cancer cells, showing promising results in mice.

  • These results challenge the standard model of cosmology, which has dominated scientific thought for about 25 years, prompting a reevaluation of fundamental concepts.

  • In a related development, health officials in Texas have warned that a measles outbreak could persist for up to a year, highlighting ongoing public health concerns.

  • However, the rapid increase in satellite launches, particularly from SpaceX's Starlink, has raised concerns among astronomers regarding satellite pollution that interferes with astronomical observations.

  • Meanwhile, astronauts Butch Wilmore and Suni Williams have returned to Earth after a nine-month stay on the International Space Station, joined by NASA astronaut Nick Hague and Russian cosmonaut Aleksandr Gorbunov.

  • As the scientific community continues to explore these advancements, the implications for our understanding of the universe and public health remain significant.

Summary based on 39 sources


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