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    In a first, scientists took the temperature of a sonic black hole

    Lab experiments characterize a phenomenon predicted by cosmologist Stephen Hawking NOT BLACK  Stephen Hawking first proposed that black holes (illustrated) aren’t fully black, but emit a faint haze of particles that came to be known as Hawking radiation. Now scientists have measured the radiation’s temperature in a lab analog of a black hole. NASA’s Goddard […] More

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    An experiment hints at quantum entanglement inside protons

    LHC data suggests the subatomic particle’s constituent quarks and gluons share weird links TIED UP  Protons contain smaller particles called quarks and gluons (illustrated). Experimental data suggest that quantum entanglement links those particles with one another. scify/Shutterstock Share this: This article is only available to Science News subscribers. Subscribers, enter your e-mail address to access […] More

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    Antimatter keeps with quantum theory. It’s both particle and wave

    A variation of the classic double-slit experiment is applied to a positron for the first time MAKING WAVES  The famous double-slit experiment (illustrated) has revealed that particles of matter, like electrons, are also waves. Now, researchers have performed a similar experiment to demonstrate antimatter’s wavelike behavior. RUSSELL KIGHTLEY/Science Source Share this: This article is only […] More

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    Hidden ancient neutrinos may shape the patterns of galaxies

    Subatomic particles born in the universe’s first second may imprint their effects on the sky RUN IN CIRCLES  Galaxies in the universe tend to cluster into rings (illustrated), and scientists have found signs that subatomic particles called neutrinos change the way matter is distributed in the circles. Zosia Rostomian/Lawrence Berkeley National Laboratory Share this: This […] More

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    A cosmic flare called the ‘Cow’ may reveal a new way that stars die

    The burst of light from far away may have been a new type of supernova GLOBAL OBSERVATIONS  An odd stellar flare called the “Cow” was observed by telescopes around the world, including the Australia Telescope Compact Array (shown) near Narrabri, Australia. Alex Cherney, CSIRO Share this: This article is only available to Science News subscribers. […] More

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    A second repeating fast radio burst has been tracked to a distant galaxy

    This series of brief radio signals comes from a galaxy 1.6 billion light-years away EARLY DAYS  The Canadian Hydrogen Intensity Mapping Experiment in western Canada spotted 13 new fast radio bursts last summer, one of which repeats. The telescope wasn’t even operating at full capacity at the time. CHIME Collaboration Share this: This article is […] More

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    Voyager 2 spacecraft enters interstellar space

    It’s the second probe ever to exit the heliosphere OVER AND OUT  The Voyager 2 spacecraft has crossed into interstellar space, six years after its twin probe, Voyager 1. The two spacecraft are providing an unprecedented look at the edge of the sun’s influence (lighter blue bubble in this illustration). JPL-Caltech/NASA Share this: This article […] More