Milky Way

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Two lobes of charged particles (light blue) have been discovered coming from the galactic centre. Ettore Carretti, S-PASS, Axel Mellinger, Eli Bressert.

Meet the largest structure ever discovered in our galaxy

By Ettore Carretti, CSIRO

It’s not every day that you discover a huge structure that stretches more than half way across the sky. But this exact thing happened to the international team of astronomers I was leading, as we pored…
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Is that a planet, a galaxy or a Rosetta Stone? ichewmylips

The Astronomer’s Holy Grail

By Bryan Gaensler

A vital part of professional astronomy is collecting data using large telescopes. In many cases, these telescopes are national or international facilities, with time available to all through a competitive…
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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

By Michael J. I. Brown, Monash University

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…

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Milky Way may be brimming with nomads

Stanford University

Our galaxy may be teeming with so-called ‘nomad planets’, which travel through space rather than orbiting stars, according…

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