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    Blazar in the Early Universe tagged posts

    A Blazar in the Early Universe

    December 26, 2020, Categories  Astronomy/Space

    VLBA image of the blazar PSO J0309+27, 12.8 billion light-years from Earth.
    Credit: Spingola et al.; Bill Saxton, NRAO/AUI/NSF.

    Details revealed in galaxy’s jet 12.8 billion light-years from Earth. The supersharp radio “vision” of the National Science Foundation’s Very Long Baseline Array (VLBA) has revealed previously unseen details in a jet of material ejected at three-quarters the speed of light from the core of a galaxy some 12.8 billion light-years from Earth. The galaxy, dubbed PSO J0309+27, is a blazar, with its jet pointed toward Earth, and is the brightest radio-emitting blazar yet seen at such a distance. It also is the second-brightest X-ray emitting blazar at such a distance.

    In this image, the brightest radio emission comes from the galaxy’s core, at bottom right...

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