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![We may be able to find magnetic fields from the start of the universe 1 Magnetic fields](https://images.newscientist.com/wp-content/uploads/2020/12/10142708/10-dec_primordial-magnetic-fields.jpg?width=300)
NASA/SOFIA; Star field image: NASA/Hubble Space Telescope
Astronomers are on the hunt for magnetic fields in our galaxy that were born in the very early universe, because they could provide a new way to study the big bang.
“We’re not solving the puzzle of these fields but we’re kind of opening that door,” says Sergio Martin-Alvarez at the University of Cambridge.
Magnetic fields are thought to play an important role in star formation within galaxies, and the Milky Way is home to various types …
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