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New findings could "smoke" in relation to dark matter



Dark Matter

Experts hope that a new study of how dark matter moves through galaxies can ultimately lead to an understanding of the mysterious substance.

"This study could be proof of the" smoking weapon "One step closer to understanding dark matter," said co-author Matthew Walker, a professor at Carnegie Mellon University, in a press release. "Our finding that it can be heated and driven around motivates the search for a particle from the dark matter."

Dwarf Galaxies

In the new paper, published in the Monthly Notices of the Royal Astronomical Society Walker and his colleagues at the University of Surrey and ETH Zurich analyzed data on the distribution of dark matter ̵

1; a mysterious and seemingly invisible substance, which probably represents the vast majority of the mass in the universe – in 16 dwarf galaxies. 19659003] "We found a truly remarkable relationship between the amount of dark matter in the centers of these little dwarfs and the amount of star formation they have experienced in their lives," said co-author Justin Read of the University of Surrey. "The dark matter in the middle of the star-forming dwarfs seems to have been" heated up "and repressed."

Smoking Gun

Although it may sound esoteric, the authors of the report say the finding is an exciting new clue that could lead to a better understanding of dark matter. Future models that explain the mysterious substance must explain why new star formation pushes them to the edges of galaxies and limits the field to new theories.

It could even lead to new techniques, Walker said. with which scientists can identify a dark matter particle – a holy grail of experimental physics.

READ MORE: Dark Matter on the Move [ Phys.org ]

More about dark matter: An Oxford scientist has solved the mystery of dark matter


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