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  • An artistic rendition of dust formation around a supernova explosion. Observations with the VLT in Chile show that this happens in two stages. Image credit: ESO/M. Kornmesser

    Galactic roles, a cosmic puzzle and a dusty answer

    Giant galaxies are the ones that catch the space enthusiast’s eye, with their spiral patterns or cigar-like blobs in images taken with large telescopes. But their more elusive and tiny cousins, the dwarf galaxies, played a major role in switching on the Universe, it turns out.

  • An artist's concept of how ATLAST may look as astronauts assemble it in space. Image credit: NASA/STScI.

    Monster telescope ATLAST planned for space

    An exciting new space telescope is on the drawing board that will dwarf anything previous observatory put into space – and it will be powerful enough to image planets orbiting nearby stars.

  • Wide-angle view of the paths that Ceres and Vesta take during the first week of July in their closest ever encounter. Credit: Paul Sutherland/Skymania

    Ceres and Vesta come very close in the night sky

    The two largest asteroids, Ceres and Vesta, are currently heading for their closest encounter in the night sky in recorded history.

  • A composite image showing M31 and the Swift X-ray satellite. Credit: Composition by Paul Sutherland using original NASA images

    The truth about that mystery ‘gamma ray burst’ in M31

    An observation by NASA’s Swift space telescope that was thought to be a gamma ray burst in nearby galaxy M31 has turned out to be a false alarm.

  • Jupiter from Hubble on 14 April, 2014, and showing how its Great Red Spot has shrunk over the last two decades. Credit: NASA, ESA, and A. Simon (Goddard Space Flight Center)

    Jupiter, Venus and Mars hit the planetary headlines

    The most famous feature on giant planet Jupiter, the Great Red Spot, is steadily shrinking. This change has been going on for some time, but images taken by the Hubble Space Telescope over the past two decades show the extent of the change.

  • 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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