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    1. Home
    2. Paul Roche
    Astronomer professor paul roche

    Paul Roche

    Astronomer

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    Professor Paul Roche is Chair of Astronomy Education at Cardiff University.

    Recent articles by Paul Roche

    Artist's impression of a Sun-like star near a supermassive black hole. Credit: ESO, ESA/Hubble, M. Kornmesser
    Science

    Will black holes eventually consume everything in the Universe?

    Supernova destroying planet, illustration. A rocky planet lies in the wake of its star, which has just gone supernova. The explosion shatters the planet. Credit: Mark Garlick / Science Photo Library.
    Science

    How close would a supernova have to be to affect life on Earth?

    This artist's concept shows a black hole with an accretion disc expelling a jet of hot gas, called plasma. Image Credit: NASA/JPL-Caltech
    Science

    What is an accretion disk and how does one form?

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    light ring orbit black hole
    Science

    11 questions about black holes – answered!

    Illustration showing a star being ejected from the centre of a galaxy. Credit: NASA/ESA/G. Bacon (STScI)
    Science

    Do rogue stars roam in between galaxies?

    A view of the Sun captured by ESA's Solar Orbiter, 30 May 2020. Credit: Solar Orbiter/EUI Team (ESA & NASA); CSL, IAS, MPS, PMOD/WRC, ROB, UCL/MSSL
    Science

    10 big questions about the Sun – answered

    Field of stars in the constellation of Crux. Credit: ESO
    Science

    How many stars are born each day?

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