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Wrap yourself in the wonders of the Milky Way
See our galaxy like never before. This stunning image of the Milky Way was captured using some of the longest wavelengths of radio light from the Murchison Widefield Array (MWA) in Western Australia.
Credit: Silvia Mantovanini, Natasha Hurley-Walker, Kat Ross, Stefan Duchesne, Gemma Anderson, and Tim Galvin
The image was created from combining the data of two major surveys of the sky — GLEAM (2013–2015) and GLEAM-X (2018–2020).
Curtin University PhD candidate Silvia Mantovanini used the Pawsey Supercomputing Research Centre “Garrawarla,” (a Tier 1 high-performance Computing facility), to create the most detailed low-frequency radio map of our Galaxy.
The colours in the image are more than just beautiful — they tell a cosmic story.
- Red marks low radio frequencies, similar to those used for FM radio.
- Blue reveals higher frequencies, like those used for digital TV.
- Green fills in the middle range.
But these radio waves aren’t generated by humans — they come from deep space: cosmic electrons spiralling around magnetic fields and plasma in our Galaxy.
The different colours help astronomers understand the type of physics that produces radio waves from various objects such as the remnants of exploded stars, rapidly spinning pulsars, and star-forming nurseries where new suns are born.
The bright specks scattered above and below the Milky Way are entire galaxies themselves, millions to billions of light-years away.
This is more than an image — it’s a window into the invisible Universe.
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Astronomers reveal an incredible new radio view of our Galaxy
