Merging supermassive black holes would emit gravitational waves, allowing scientists to detect them.
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Whether you call it Planet X or Planet Nine, talk of another planet lurking in our Solar system won't go away. So what does the discovery of a new object – nicknamed "The Goblin" – add to the debate?
The five planets visible to the naked eye since ancient times are putting on a dazzling display this month, in a night-sky dance along with the Moon.
We still don't know what causes these mysterious Fast Radio Bursts deep in the universe, but we've detected a whole new batch of them.
The 'oldest known nova' (a star explosion) in the sky was actually not a nova, astronomers show.
Astronomers found something not predicted by current theory when they took a closer look at the emissions from a neutron star with a very strong magnetic field.
Astronomers are voting to rename one of the laws of physics. The voting may have far-reaching effects leading to renaming of other laws and giving 'forgotten' scientists due credit.
We are in the Milky Way. If you travelled on an extremely fast spaceship for more than two million years, you would reach our neighbour, the Andromeda galaxy. All other galaxies are even further away.
By sharing a location with the SKA, HIRAX will be able to conduct science in “radio-clear” skies across its wide frequency range.
To better detect gravitational waves, we need to build the quietest and most isolated thing on Earth. And make sure we don't drop those 40kg mirrors.
The planets we can see in the sky were known to the ancient Greeks as 'wandering stars'. But they appeared much earlier in the stories and traditions of Australia's Indigenous people.
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A podcast all about nothing. From the importance of doing nothing to the ill-effects of time spent in solitary confinement and what nothing means in space.
It's all about the strong gravitational field of the black hole.
The blood moon myths are many and varied, but, at the end of the day, it's just an eclipse.
All five five planets visible to the naked-eye are on show in the night skies over Australia, and a Blood Moon on the way too.
A detector buried under more than a mile of ice in Antarctica has detected a high-energy subatomic neutrino and traced it to its origin, a blazar – a gargantuan black hole more than a billion times more massive than the sun.
Astronomy is accessible to anyone with a view of the sky.
An astronomer suggests an idea to piggyback on the ambitious Breakthrough Starshot project that aims to send nano spacecraft to Alpha Centauri at a major fraction of the speed of light.
About 5 percent of all UFO sightings cannot be easily explained by weather or human technology. A physicist argues that there's compelling evidence to justify serious scientific study and that the skeptics should step aside – for the sake of humanity.
The tilt of Earth's axis as it orbits the sun results in the seasonal changes.
Kontributor teratas
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Professor (Astrophysics), University of Southern Queensland
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Honorary Fellow of the University of Melbourne and Senior Curator (Astronomy), Museums Victoria
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Associate professor in astronomy, Monash University
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Professor of Astrophysics, University of Sydney
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Associate Professor, University of Melbourne
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Alan Duffy adalah Sahabat The Conversation.
Associate Professor and Research Fellow, Swinburne University of Technology
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Professor, School of Science, Western Sydney University
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Director, Dunlap Institute for Astronomy and Astrophysics, University of Toronto
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Professor, University of Sydney
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Lecturer in Astronomy, Nottingham Trent University
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Associate professor, University of Western Australia
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John Curtin Distinguished Professor (Radio Astronomy), Curtin University
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PhD Candidate, University of Southern Queensland
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ARC Laureate Fellow, Swinburne University of Technology
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Professor of Planetary Geosciences, The Open University
