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Finding that magnetic fields play a role in star formation

Depiction of magnetic fields (shown as white lines) in Messier 82, or the Cigar galaxy.
Depiction of magnetic fields (shown as white lines) in Messier 82, or the Cigar galaxy. Image: NASA, SOFIA, L. Proudfit; NASA, ESA, Hubble Heritage Team; NASA, JPL-Caltech, C. Engelbracht

In 2021, SOFIA data showed that magnetic fields are contributing to the expulsion of material from Messier 82, also known as the Cigar galaxy. These magnetic fields were observed to extend out like solar winds, allowing materials rich in carbon and oxygen to escape into intergalactic space. The finding added to our understanding of how dust and gas escapes from galaxies, and the surprising role that magnetic fields play in the formation of stars and even entire galaxies.

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