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  • Sound waves are easily detected as they travel through the atmosphere of the star, but they are much more difficult to detect in the core of the star. Image credit: SAp/CEA

    Astronomers study star that spins slower on the inside

    Astronomers measuring sound waves within stars have discovered a star where the interior rotates slower than the outer layers – the first time this has been detected in a main sequence star.

  • A view of Venus taken by the Venus Monitoring Camera aboard ESA's Venus Express spacecraft. Image credit: ESA/MPS/DLR/IDA, M. Pérez-Ayúcar & C. Wilson

    Astronomers search for more planets like Venus

    Astronomers have established a so-called “Venus zone” to help them single out which exoplanets are most likely to imitate our own inhospitable neighbouring world.

  • A stream of hydrogen gas produced by astronomers in a computer simulation. Credit: MPIA (G. Stinson / AV Maccio)

    Stream of gas stretches for 2.6 million light-years

    The longest ever stream of hydrogen gas has been discovered acting as a bridge between galaxies 500 light years away.

  • An artist's impression of the white dwarf orbiting the pulsar. While both have a similar mass, the pulsar is much denser, hence its smaller size. Image credit: B. Saxton (NRAO/AUI/NSF)

    Coldest white dwarf found orbiting nearby neutron star

    A binary system of two dead stars has revealed the coldest, dimmest white dwarf discovered to date.

  • The two inner black holes emit jets from their accretion discs that twist around each other. The more distant third black hole has jets that shine straight out into space.
Credit: Roger Deane; NASA Goddard

    Trio of giant black holes at centre of distant galaxy

    At the centre of our Galaxy lives a monster. A giant black hole four million times the mass of our Sun is lurking, eagerly awaiting the next star or gas cloud to wander into its clutches. A supermassive black hole like this one is thought to reside in the centre of all galaxies, and astronomers have now discovered a galaxy […]

  • Five top targets in the Solar System

    The Moon may have been more active than thought. Photo: Paul Sutherland

    If you are the proud owner of a new telescope, you may be wondering what you can see through it. There is so much in the night sky that it can...


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