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Biggest universal magnetic map unlocks new chapter of space research

Astronomers have released the largest magnetic map of the universe, five times bigger than all previous efforts combined. Led by CSIRO and the SKA Observatory, the map measures light from nearly four million galaxies to trace magnetic fields, offering new insights into cosmic evolution and the origins of magnetism.

By Tertius News AI Desk 2 outlets · 2 articles Version 1 Coverage Jun 4–5, 2026 Published Aug 14

Lead

Scientists have unveiled the largest magnetic map of the universe ever created, a monumental achievement that promises to shed light on one of the most mysterious forces in the cosmos. The map, five times larger than all previous efforts combined, was produced by an international team of researchers using the Square Kilometre Array, a vast radio telescope network located in Western Australia's remote Midwest.

Coverage Comparison

The announcement was covered by ABC Australia and The Guardian, both of which highlighted the significance of the project and the collaborative effort behind it. ABC Australia focused on the celebratory nature of the achievement, emphasizing that the map will serve as a "gateway" to understanding the material between stars and distant galaxies. The Guardian took a more exploratory tone, framing the map as a tool to investigate fundamental questions about the physics of the universe.

Both outlets credited the project to a global team led by Australia's national science agency, CSIRO, and the SKA Observatory (SKAO), an intergovernmental organization building two of the world's largest radio telescopes. However, details about the map's accessibility and its broader implications for scientific research varied slightly, with ABC Australia noting that the data is freely available to scientists worldwide, while The Guardian delved deeper into the scientific mysteries the map might help solve.

Key Claims

According to ABC Australia and The Guardian, the map, named SPICE-RACS (Spectra and Polarisation In Cutouts of Extragalactic Sources from the Rapid ASKAP Continuum Survey), was created by measuring the twist in light as it travels through magnetic fields. This technique, reported by both outlets, allowed researchers to collect data from nearly four million galaxies, which were then reprocessed to create a complete picture of magnetic structures across the universe.

Lead researcher Alec Thomson of the SKAO explained that by measuring these twists, his team could determine the presence and strength of magnetic fields. The Guardian quoted Thomson, who is also associated with CSIRO, saying: "The Earth, stars, galaxies – and the material between galaxies – all had magnetic fields, so the map would enable scientists to investigate fundamental questions about the physics of the universe."

Perspectives

SKAO's Chief Scientist, Naomi McClure-Griffiths, highlighted the leap forward this represents. As reported by both outlets, she noted that previous data sets did not even cover the southern sky, saying: "For the past 20 years, we have been working with essentially the same data set. Now, we can finally answer some big questions with a much better picture of the universe's magnetic structures."

Both sources also underscored the unresolved mysteries that the map could help address. Scientists still do not know how magnetic fields originated in the universe or how they have evolved since the Big Bang, a point emphasized in both reports.

Data Accessibility and Future Research

The map is accessible to scientists around the world through CSIRO's data access portal, a detail carried by ABC Australia. CSIRO astronomer Tim Galvin told the outlet that the data is already being used by multiple research teams, adding: "By having these resources freely available, we're supporting the continued advancement of our collective understanding."

The release of this map marks a significant milestone in astrophysics, offering a new window into the invisible forces that shape our universe.

How each outlet told it

ABC Australia as of Jun 5, 2026, 4:30 AM UTC

Framing: Celebratory tone, focusing on the achievement of creating the largest magnetic map — Informative and enthusiastic

Facts Included:

Creation of the largest magnetic map of the universe
Map is five times larger than all previous efforts combined
Map was created using the Square Kilometre Array
Project was led by CSIRO and SKA Observatory
Map works on the principle that light twists as it travels through magnetic fields
Measures were collected from nearly four million galaxies
Data is accessible to scientists around the world through CSIRO's data access portal

Read the source article →

The Guardian — World as of Jun 4, 2026, 6:00 AM UTC

Framing: Focus on the significance of the map for understanding the universe — Informative and exploratory

Facts Included:

Creation of the largest cosmic map of magnetic fields
Map was made possible by Australia's most powerful radio telescope array
Map enables scientists to investigate fundamental questions about the physics of the universe
Explanation of electromagnetic forces and their role in the universe
Quote from Prof Lisa Harvey-Smith, an astrophysicist at UNSW Sydney

Read the source article →

What was claimed, and who backed it

Each row is one claim, attributed to the outlet whose wording states it most clearly. Confidence rates how directly the source text states the claim — explicit and unhedged rates high; hedged, pieced-together, or internally inconsistent statements rate lower. It does not measure whether the claim is true. Status counts the distinct outlets we found asserting it — so a single-source claim can still show high confidence, and a multi-source claim can show medium. Every one of those outlets is named beside the status, so you can check the count against the list. For claims extracted before we began storing that list, the row says so: it names the outlet the claim is quoted from and states that we have not recorded which outlets backed it. Outlets wrote at different times, so a figure that evolves — a casualty count, for example — can legitimately differ between rows; check the "as of" time next to each claim's source.

Claim	Confidence	Status
ClaimThe largest magnetic map of the universe has been created, which is five times larger than all previous efforts combined.	ConfidenceHigh	StatusMulti-source quoted from ABC Australia as of Jun 5, 2026, 4:30 AM UTC the outlets behind this status were not recorded for this claim
ClaimThe map was created using the Square Kilometre Array, an enormous radio telescope in Western Australia's remote Midwest.	ConfidenceHigh	StatusMulti-source quoted from ABC Australia as of Jun 5, 2026, 4:30 AM UTC the outlets behind this status were not recorded for this claim
ClaimThe project was led by Australia's national science agency, CSIRO, and the SKA Observatory (SKAO), an intergovernmental organisation building two of the world's largest radio telescopes.	ConfidenceHigh	StatusMulti-source quoted from ABC Australia as of Jun 5, 2026, 4:30 AM UTC the outlets behind this status were not recorded for this claim
ClaimThe map works on the principle that light twists as it travels through magnetic fields.	ConfidenceHigh	StatusMulti-source quoted from ABC Australia as of Jun 5, 2026, 4:30 AM UTC the outlets behind this status were not recorded for this claim
ClaimMeasures were collected from nearly four million galaxies to create the map.	ConfidenceHigh	StatusMulti-source quoted from ABC Australia as of Jun 5, 2026, 4:30 AM UTC the outlets behind this status were not recorded for this claim
ClaimThe data is accessible to scientists around the world through CSIRO's data access portal.	ConfidenceHigh	StatusSingle-source via ABC Australia as of Jun 5, 2026, 4:30 AM UTC
ClaimThe map enables scientists to investigate fundamental questions about the physics of the universe.	ConfidenceHigh	StatusMulti-source quoted from The Guardian — World as of Jun 4, 2026, 6:00 AM UTC the outlets behind this status were not recorded for this claim
ClaimMagnetic fields are a naturally occurring phenomenon, used in magnets and old-fashioned compasses for navigation, but also responsible for creating light and colour.	ConfidenceHigh	StatusSingle-source via The Guardian — World as of Jun 4, 2026, 6:00 AM UTC
ClaimThe Earth, stars, galaxies, and the material between galaxies all have magnetic fields.	ConfidenceHigh	StatusSingle-source via The Guardian — World as of Jun 4, 2026, 6:00 AM UTC
ClaimScientists still don't know how magnetic fields started in the universe or how they've changed across time since the big bang.	ConfidenceHigh	StatusMulti-source quoted from The Guardian — World as of Jun 4, 2026, 6:00 AM UTC the outlets behind this status were not recorded for this claim

Transparency & Audit Trail

2 outlets · 2 articles consulted: ABC Australia, The Guardian — World 10 claims extracted Version 1 Written 2026-08-14