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    Astronomers have found the home address for the universe’s ‘missing’ matter

    June 17, 2025, Categories  Astronomy/Space

    Universe’s Missing Matter Found by FRBs
    A landmark study led by the Center for Astrophysics | Harvard & Smithsonian (CfA) has pinpointed the Universe’s “missing” matter using Fast Radio Bursts (FRBs)— brief, bright radio signals from distant galaxies— as a guide. This artist’s conception depicts a bright pulse of radio waves (the FRB) on its journey through the fog between galaxies, known as the intergalactic medium. Long wavelengths, shown in red, are slowed down compared to shorter, bluer wavelengths, allowing astronomers to “weigh” the otherwise invisible ordinary matter.  
    Credit: Melissa Weiss/CfA

    A new landmark study has pinpointed the location of the universe’s “missing” matter, and detected the most distant fast radio burst (FRB) on record...

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    Discovery of a Fast Radio Burst Reveals ‘Missing Matter’ in the Universe

    February 25, 2016, Categories  Astronomy/Space

    The infrared image on the left shows the field of view of the Parkes radio telescope with the area where the signal came from marked in cyan. On the right are successive zoom-ins on that area. At the bottom right is the Subaru optical image of the FRB galaxy, with the superimposed elliptical regions showing the location of the fading 6-day afterglow seen with ATCA. Credit: © D. Kaplan (UWM), E. F. Keane (SKAO)

    The infrared image on the left shows the field of view of the Parkes radio telescope with the area where the signal came from marked in cyan. On the right are successive zoom-ins on that area. At the bottom right is the Subaru optical image of the FRB galaxy, with the superimposed elliptical regions showing the location of the fading 6-day afterglow seen with ATCA. Credit: © D. Kaplan (UWM), E. F. Keane (SKAO)

    An international research team including Max Planck Institute for Radio Astronomy in Bonn, Germany used a radio and optical telescopes to identify the precise location of a fast radio burst (FRB) in a distant galaxy, allowing them to conduct a unique census of the Universe’s matter content.They confirmed current cosmological models of the distribution of matter in the Universe.

    On A...

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