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Articles sur Astronomy

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An artist’s conception of the Square Kilometre Array … which could live in South Africa or Australia/New Zealand. SKA

The SKA decision has been delayed … so what are the judges looking for?

The battle for the Square Kilometre Array (SKA) radio telescope is heating up. The SKA board was scheduled to choose a site – South Africa or Australia and New Zealand – earlier this year but a decision…

Vesta asteroid shown in new light

Images from NASA’s Dawn spacecraft have revealed unusual geological features on the surface of the asteroid Vesta, one of…
The outer edge of the galactic disc is rotating at a speed in excess of 100,000 km/h. Suprime-Cam, Subaru Telescope

Astronomers discover a strange diamond-shaped galaxy

A team of Australian and European astronomers has discovered a highly unusual galaxy in the shape of an emerald-cut diamond roughly 70 million light years away. The astronomers - from Australia, Germany…

Repellant dark matter confounds astronomers

In a result which has baffled astronomers at NASA’s Chandra X-ray Observatory, dark matter has been observed separating from…
The James Webb Space Telescope will search for stars in the dawning universe. BOBXNC

Hubble, Webb and the search for First Light galaxies

When the Obama administration announced its proposed NASA budget in February, astronomers worldwide breathed a sigh of relief. Despite significant cuts in other areas, funding for the James Webb Space…
A giant flare blasts solar wind and plasma towards Earth. NASA

Huge space storm could disrupt power grids, GPS, flights

The biggest space storm in five years is hurtling towards Earth at more than 2000 km per second. Two bursts of solar wind and plasma - known as coronal mass ejections (CME) - are expected to hit Earth…

Dark matter core challenges theories

The collision of several, massive galaxy clusters has left behind a clump of dark matter, potentially challenging existing…

Milky Way may be brimming with nomads

Our galaxy may be teeming with so-called ‘nomad planets’, which travel through space rather than orbiting stars, according…
GRBs have puzzled astronomers for decades, and there is still plenty to learn. EOS/A Roquette

Flash, aah-aah! Could a gamma ray burst eradicate all life on Earth?

Ever since they were discovered accidentally in the 1960s, gamma ray bursts (GRBs) have continued to amaze and puzzle astronomers worldwide. In nearly 50 years of research there seem to have been more…

New alien planet could support life

Astronomers have discovered an alien planet which could be the best candidate yet for harbouring water and possibly life…
Mirrors of a magical scientist: Andromeda photographed through a Newtonian telescope. Flickr/JonBaglo.

Digital alchemy: Sir Isaac Newton’s papers now online

The notebooks of Sir Isaac Newton, who was famously reported to have suffered a (scientifically) earth-shaking blow to the head from an apple, are being scanned and published online by the University of…

Superfast spinning star found

The star with the fastest rotation ever recorded has been discovered by researchers at the University of California, Santa…
New infrastructure is putting the Australian space industry on the map. RSAA

Australia in space: looking out and looking in

Space exploration is one of the few science-rich human endeavours that captivates both expert and layperson alike. There is a mystery – a romanticism – associated with space research and technology that…
Two “new” black holes, in relatively nearby galaxies, are the largest ever found. tsand

Scary monsters (and supermassive black holes)

Black holes have long been the staple of science fiction, being monstrous beasts with a gravitational pull that prevents even light from escaping. As well as being useful plot devices, offering mechanisms…

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