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  • Titan's southern polar vortex as seen by Cassini in 2012.  Image credit: NASA/JPL-Caltech/ASI/University of Arizona/SSI/Leiden Observatory and SRON

    NASA’s Cassini captures defiant clouds on Titan

    NASA’s Cassini spacecraft has detected a massive cloud of hydrogen cyanide at Titan’s south pole which simply should not be there.

  • 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.

  • 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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