The Red Giant Branch and Luminosity Evolution
As low-mass stars similar to our Sun age, they leave the main sequence and begin to ascend the Red Giant Branch (RGB). During this stage, their overall luminosity increases steadily.
Understanding the RGB Luminosity Bump
As the star ascends this branch, an unexpected event known as the RGB luminosity bump occurs. At this point, the star's luminosity experiences a sudden and temporary dip.
Impact on Stellar Physics Models
Astrophysicists have long struggled to fully explain this sudden drop in brightness. A new proposal by an astrophysicist may finally provide an answer to this stellar puzzle.
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