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Articles on Astronomy

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Three of the dishes used by the Australian Square Kilometre Array Pathfinder telescope. CSIRO/Terrace Photographers

The first images from ASKAP reveal slices through space

The first images from Australia’s Square Kilometre Array Pathfinder (ASKAP) telescope have given scientists a sneak peek at the potential images to come from the much larger Square Kilometre Array (SKA…

On the costs of mega-science projects

Today I awoke to the news that Germany has announced its intention to withdraw from the Square Kilometre Array (SKA) project. The SKA is an ambitious project that plans to build a radio telescope with…
There’s a lot of dust between us and the edge of the universe. H Raab/Flickr

Has dust clouded the discovery of gravitational waves?

It’s almost three months since a team of scientists announced it had detected polarised light from the afterglow of the Big Bang. But questions are still being asked about whether cosmic dust may have…
The origin of today’s burst of energy has astronomers puzzled. AP Photographie /Flickr

Heavens above! What made the cosmic flash that lit Earth today?

A titanic eruption in our neighbouring galaxy, Andromeda, has sent shockwaves through the astronomical community here on Earth. NASA’s Swift satellite detected a flood of gamma rays at 21:15 UTC yesterday…
Earth was treated to a magnificent show during the Perseid meteor shower in 2010. Will the northern hemisphere get a similar show with the Camelopardalis shower on Saturday? ESO/S. Guisard

A night’s tale: will a new meteor shower light up northern skies?

Across North America, Europe and Japan, skywatchers will be out in force this weekend with high hopes of catching a never-before-seen meteor shower. Predicted to peak this Saturday, May 24, the shower…
The strongest magnets in the universe – but how does a magnetar form? (Artist’s impression of magnetar in the cluster Westerlund 1.) ESO/L. Calçada

A rare magnetic star is born – with a push in the right direction

Magnetars are stars that are incredibly dense, rapidly spinning, amazingly hot and – as their name suggests – are the most magnetic objects known in the universe. The magnetic field on the surface of a…
We’ve stellar astronomy research programmes and need to keep them up. Flickr/xJason.Rogersx (image cropped)

To reach for the stars, Australia must focus on astronomy

AUSTRALIA 2025: How will science address the challenges of the future? In collaboration with Australia’s chief scientist Ian Chubb, we’re asking how each science discipline will contribute to Australia…
Beta Pictoris b spins faster than the fastest spinning planet in our solar system. ESO/L. Calçada & N. Risinger (skysurvey.org)

A different spin – exoplanet’s ‘day’ is measured for the first time

Over the past two decades, almost 1,500 exoplanets have been discovered orbiting distant stars – but Dutch astronomers have determined for the very first time just how fast one of those exoplanets is spinning…
A solar eclipse as seen in Albuquerque, New Mexico, in 2012 – similar to what many Australians will see this afternoon (weather permitting, of course). Robert Adams/Flickr

Catch the sun: are you ready for a partial solar eclipse today?

Due to a rare alignment of events, many Australians will today experience a second eclipse this month. A partial solar eclipse will be visible from across Australia later this afternoon, following the…
Let’s hope it’s barren. NASA Ames/SETI Institute/JPL-CalTech

Habitable exoplanets are bad news for humanity

Last week, scientists announced the discovery of Kepler-186f, a planet 492 light years away in the Cygnus constellation. Kepler-186f is special because it marks the first planet almost exactly the same…
A single Lyrids meteor captured during last year’s shower. Flickr/Mike Lewinski

The Lyrids meteor shower should put on a show overnight

If you’re willing to rise early tomorrow morning then there’s the chance to see a meteor shower, known as the Lyrids, which may been responsible for a bright light seen recently over Russia. A dashcam…
The Automated Planet Finder is hunting planets all by itself. Laurie Hatch

Telescope apps help amateurs hunt for exoplanets

People around the world are being invited to learn how to hunt for planets, using two new online apps devised by scientists at the University of Texas at Austin and UC Santa Cruz. The apps use data from…
The Large Magellanic Cloud (right) visible in the southern sky is a nearby galaxy to our own. Flickr/Tracey Harrison Hill

Darwin meets Newton: evolution and the mass of the galaxy

If the solution to a problem does not reveal itself straight away then why not let your initial guesswork evolve? That’s the approach we’ve taken in trying to determine the mass of our galaxy by mapping…
The Gemini South telescope – pictured here – houses the latest gear to hunt down and snap photos of exoplanets. Gemini Observatory

Gemini Planet Imager – a new eye to scan the sky for exoplanets

There is excitement in astronomy and planetary science departments worldwide as the new Gemini Planet Imager, housed in the Gemini South Telescope in the Chilean Andes, turns its razor-sharp gaze to the…
Sir David Gill, the most important astronomer you’ve never heard of? Uncredited via Wikimedia Commons

Sir David Gill – Scotland’s most notable astronomer?

There have been 10 astronomers royal for Scotland since the honour was created in 1834, only three of whom were Scots. I believe Aberdonian Sir David Gill (1843-1914), who never held the honour, trumps…

Faster spinning galaxies are flat, not fat

The speed at which spiral galaxies spin determine whether they are fat and bulging or whether they are shaped like flat discs…
Artist’s impression of a microquasar, such as the newly-discovered MQ1 in the M83 galaxy. TD Russell (ICRAR-Curtin) using the BINSIM visualisation code by R Hynes (LSU)

Pocket rocket of the universe: a new ‘fast and furious’ black hole

A black hole with extremely powerful jets has been found in the nearby galaxy Messier 83 (M83) by a team of Australian and American researchers, as we report in the journal Science today. Black holes are…

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