Red Giants React More Sensitively to Magnetic Fields
Published
Astronomers have discovered striking gaps in the oscillation patterns of some red giants. Red giants are old stars that have become very large and bright in a late phase of their lives. They too oscillate, much like a bell, and these oscillations can be measured.
The gaps in the oscillation patterns are particularly interesting for research. According to current findings, they suggest that extremely strong magnetic fields are present in the interiors of these stars. Part of the mass in these stars appears to be distributed or altered in such a way that the magnetic fields influence the oscillations more strongly.
For science, observations like these are important because magnetic fields can influence the evolution of a star. If researchers understand how magnetic fields act in red giants, they can better explain how stars change during their final phase of life.
The results show that studying oscillations is an important tool in astronomy. Further observations are intended to clarify how widespread these effects are among red giants and how strong the magnetic fields actually are.
Sources: Scinexx
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