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    1. Home
    2. Dr Alastair Gunn
    Alastair Gunn

    Dr Alastair Gunn

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    Alastair is a radio astronomer at the Jodrell Bank Centre for Astrophysics at the University of Manchester.

    Recent articles by Dr Alastair Gunn

    Do black holes collapse? © Getty Images
    Space

    Do black holes collapse?

    Are black holes always found at the centre of galaxies? © Getty Images
    Space

    Quick Q&A: What happens to the light that’s been sucked into a black hole?

    Could ‘dark matter’ just be dead stars and planets floating in the depths of space? © Getty Images
    Space

    Could ‘dark matter’ just be dead stars and planets floating in the depths of space?

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    How many extrasolar planets do we know about? © Getty Images
    Space

    How far would we need to travel to leave our Galaxy?

    How would our Solar System be different if Jupiter had been big enough to be a star? © NASA
    Space

    How would our Solar System be different if Jupiter had been big enough to be a star?

    Could we launch plastic into space to reduce pollution on Earth? © Getty Images
    Everyday science

    Could we launch plastic into space to reduce pollution on Earth?

    Is space a perfect vacuum? © Getty Images
    Space

    Is space a perfect vacuum?

    Could we reuse any ISS modules for a Mars mission? © NASA
    Space

    Could we reuse any ISS modules for a Mars mission?

    Are there any animals that prepare or cook their food? © Getty
    Nature

    Are there any animals that prepare or cook their food?

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    Where did the Big Bang take place? © Getty Images
    Space

    If we made a powerful enough telescope, would we theoretically be able to see the light from the Big Bang?

    Could we ever move a planet into a more habitable orbit? © Getty
    Space

    Could we ever move a planet into a more habitable orbit?

    Could two planets share the same orbit without colliding? © Getty Images
    Space

    Could two planets share the same orbit without colliding?

    When I look to the stars, how far back am I seeing? © Getty Images
    Space

    When I look to the stars, how far back am I seeing?

    If all the asteroids in the asteroid belt had coalesced to form a planet, what size would it have been? © Getty
    Space

    If all the asteroids in the asteroid belt had coalesced to form a planet, what size would it have been?

    How tall is the Universe? © Getty
    Space

    How tall is the Universe?

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