Articles sur Radio astronomy

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In the beginning, the Universe expanded very, very fast. Flickr/Jamie

Curious Kids: what started the Big Bang?

What caused the Big Bang is still a mystery. And that's just one of the many unanswered questions, in spite of everything we do know about the birth of the Universe.
The truth is we don’t really know if space goes on forever – but maybe, one day, we will find out. Sweetie187/flickr

Curious Kids: Does space go on forever?

People used to think that when they looked up at the night sky, they were seeing all of space. Then American astronomer Edwin Hubble found out something so amazing, NASA named a telescope after him.
Jets generated by supermassive black holes at the centers of galaxies can transport huge amounts of energy across great distances. REUTERS/X-ray: NASA/CXC/Tokyo Institute of Technology/J.Kataoka et al

Radio galaxies: the mysterious, secretive “beasts” of the Universe

It's difficult to get jets - powerful, lightning fast particles - to give up their secrets. The new Square Kilometre Array radio telescope could hold the key to solving jets' mysteries.
The new discovery: The C-shaped “wide angle tail galaxy” (pink) surrounded by the galaxies of the Matorny-Terentev cluster (white). Julie Banfield

How citizen scientists discovered a giant cluster of galaxies

The find by citizen scientists of at least 40 galaxies in a cluster more than a billion light years away is the astronomical equivalent of finding a needle in a haystack.
Artist’s impressiong of the Square Kilometre Array, which will revolutionise our ability to detect fast radio bursts. SKA Project Development Office and Swinburne Astronomy Productions - Swinburne Astronomy Productions for SKA Project Development Office

Message from aliens or colliding objects? The hunt for enigmatic radio bursts is about to get real

A technological revolution in astronomical observations could be the key to understanding the perplexing phenonenon known as 'fast radio bursts' from outer space.
The vast expanse of Western Australia is perfect for radio astronomy. Pete Wheeler, ICRAR

Tuning in to cosmic radio from the dawn of time

The Murchison Widefield Array sits in remote Western Australia far from noisy civilisation so it can help us understand the universe by tuning into radio waves from the distant cosmos.
The Dreamtime constellation of The Emu rises out of the glow of Sydney, 350km away from the Australian Astronomical Observatory. David Malin

Darkness is disappearing and that’s bad news for astronomy

Darkness is precious to astronomers, but it's also good for everybody. We should ensure we preserve the dark by using the latest technologies responsibly.

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