The known lifespan of the universe is derived primarily from measurements of what two factors?
Answer
Cosmic Microwave Background radiation and the expansion rate
The age of the universe is known based on measurements derived primarily from the Cosmic Microwave Background radiation and the expansion rate, also known as the Hubble constant.
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This Star Is Older Than The Universe and Scientists Can't Explain It
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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?