Astronomers say they're close to solving a years-old solar mystery after an up-to-date assessment of the sun's chemical make-up.
is Earth's closest star and the source of all life on Earth. Without it, plants couldn't photosynthesize and oxygen abundance would plummet. We'd also bump into things a lot more.
To work all this out, scientists have a couple of observational methods at their disposal to figure out what's going on inside the sun's fiery depths. To resolve it, researchers led by Ekaterina Magg and Maria Bergemann at the Max Planck Institute for Astronomy set out to revisit what we know about the sun's composition by having another look at the spectral estimates used in the past, which were decades old and by now known to be oversimplified.
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