What is the current evolutionary classification of HD 140283, indicating it has left the main sequence?
Answer
Subgiant
HD 140283 is classified as a subgiant, meaning it has finished burning hydrogen fuel in its core and has started evolving toward becoming a red giant.
#Videos
This Star Is Older Than The Universe and Scientists Can't Explain It
Related Questions
What is the common nickname given to the star HD 140283?What approximate age were initial calculations suggesting for HD 140283?The known lifespan of the universe is derived primarily from measurements of what two factors?What type of star is HD 140283 classified as, based on its early formation time?In which constellation is the star HD 140283 located?What specific element's abundance was key to refining the age estimate because it influences the rate of fusion?Following revised analysis utilizing improved models and data, what age estimate was reached for the Methuselah star?If the initial dating held true, what theoretical framework might have needed exploration instead of the reigning cosmological model?What is the current evolutionary classification of HD 140283, indicating it has left the main sequence?What characteristic of HD 140283 confirms its primordial heritage as a very old star?