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Viewed from afar, the Milky Way might appear similar to the galaxy known as NGC 7331. R. Jay GaBany/NASA

Explainer: a beginner’s guide to the galaxy

Where are we within our galaxy? How did our galaxy form? How did it evolve over the aeons? Astronomers have been asking these questions for the past century, and have recently begun discerning the answers…
Is the “Z-prime” lurking within a “jungle” of particles at the LHC? Argonne National Laboratory

Explainer: the Z’ (hypothetical) particle

There’s nothing like an unexpected result to get physicists excited. So in 2008, when some strange behaviour was detected from a rarely-produced particle known as the “top quark”, there was much interest…
Could neutrinos be responsible for the shape of the universe? The Super-Kamiokande Neutrino Detector, Japan

Explainer: the elusive neutrino

Of all the known particles in our universe, neutrinos are perhaps the most elusive; their origins are mysterious, their purpose unknown and they are notoriously difficult to detect. You’ll already know…
The NBN could give all Australians access to online services. iStockphoto

Explainer: the National Broadband Network (NBN)

The big picture Australia’s plan for a National Broadband Network (NBN) represents one of the largest infrastructure projects in the world at present. The estimated $43 billion price tag has stirred up…

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