Author Archives: sarahmaddison

Old supernova dust factory revealed at the Galactic centre

Astronomers have finally found evidence of dust around a relatively “old” supernova remnant near the centre of our Milky Way galaxy. This new finding can help explain the mystery of how galaxies in the early Universe, only a few billion … Continue reading

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World’s largest asteroid impacts found in central Australia

Studies of drill core rock samples up to 2 km below the ground in north-eastern South Australia, Queensland and the Northern Territory suggest the largest asteroid impact zone yet found (Glikson et al. 2015). The impact zone was found in … Continue reading

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Dark Energy Survey finds new dwarf galaxies

Up to nine new dwarf galaxies close to the Galaxy and the Magellanic Clouds have recently been found. Three of the new objects are definitely dwarf galaxies whilst the others may be fainter dwarfs or even globular clusters. Imaging data … Continue reading

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Mature galaxy in the young Universe

A collaboration of astronomers, lead by Darach Watson from the University of Copenhagen, have discovered one of the most distant galaxies to date named A1689-zD1. The galaxy is at a redshift of 7.5, which means it is about 13 billion … Continue reading

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Dawn mission reaches Ceres

The NASA Dawn satellite has arrived at Ceres, the largest body in the asteroid belt, and is the first mission to orbit a dwarf planet.  On Friday 6 March, the Dawn satellite was captured by the gravity of Ceres and … Continue reading

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S1-2015 has begun!

The wheels fell off last semester, but we’re back! So get ready for another fabulous semester of SAO astro news 🙂

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New definition of our local supercluster: Laniakea

After many years of cosmic map making, Brent Tully and his colleagues have (re)defined our local supercluster of galaxies and given it a new name: Laniakea (from the Hawaiian: “lani” is heaven, and “akea” is spacious or immeasurable). Rather than … Continue reading

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Rosetta prepares comet lander

After a long 10-year journey, the Rosetta spacecraft arrived at comet 67P/Churyumov-Gerasimenko in early August this year and has been busy mapping the comet’s surface to choose a landing site.  Rosetta is the first satellite to orbit a comet, and will … Continue reading

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S2-2014 has begun!

Get ready for another fabulous semester of SAO astro news!

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SAO wins NOVA award

The SAO team is delighted to announce that our unit Galaxies and their Place in the Universe won a 2014 NOVA Awards for Online Learning Excellence sponsored by Open Universities Australia. The unit design principles of Open Universities Australia for which the NOVA is awarded are centred on … Continue reading

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