So what names do astronomers use for stars and how are official star names selected?
- Postdoctoral Researcher in Radio Astronomy, University of Sydney
Four big outbursts from the Sun mean skies may light up much further from the poles than usual.
The alien question, while fun, generates misinformation and distracts from the science.
The Moon will indeed be black, kind of. But that’s not why you should look up this weekend.
Se você é como a maioria das pessoas, nunca ouviu falar de Quíron, um híbrido de asteroides e cometa com anéis que ronda os confins do Sistema Solar.
If you’re like most people, you’ve never heard of it. Meet the ringed asteroid-comet hybrid prowling the outer reaches of the Solar System.
An astronomer says goodbye to Gaia, the satellite that mapped the galaxy.
O número de luas conhecidas em nosso Sistema Solar vem aumentando há séculos, mas os astrônomos dizem que provavelmente chegou ao máximo, pelo menos por enquanto.
The number of known moons in our Solar System has been rising for centuries, but astronomers say it has probably peaked – for now.
Strap into your sleigh for some Christmas physics fun with Rudolph the ‘redshifted’ reindeer.
Killjoys on social media say there’s no point wishing on stars because they are already dead – but the naysayers are completely wrong.
Let’s cast the holly, snowmen and reindeer aside to decorate our homes with Aussie Christmas crafts instead. How about Christmas beetle baubles, paper parrots and ornamental echidnas?
Earth’s tilt means the Sun both rises earlier and sets later as we head towards summer.
A large space rock will be temporarily captured by Earth’s gravity throughout October and November.
There’s nothing weird happening with Mercury. In fact, most days of the year there’s at least one planet in retrograde.
An asteroid ‘the size of 33 armadillos’ might be a flight of fancy, but real astronomers measure celestial objects with units that are just as strange.
Radio flare may be the result of a giant star orbiting some unusual object – a combination we have never seen before.
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