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Do stars get brighter or dimmer as they age 2024?

Lucas Gonzalez | 2023-04-19 11:34:13 | page views：1513
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Harper Adams

Studied at the University of Oxford, Lives in Oxford, UK.
The result is that Main Sequence stars get slowly brighter as they age. We would not notice this on a human timescale, but there is evidence of changes in the Sun's brightness over geologic time (specifically the Sun has gotten about 30% brighter over the last 4.5Gyr since the formation of the Earth).
2023-04-29 11:34:13
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Lucas Brown

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The result is that Main Sequence stars get slowly brighter as they age. We would not notice this on a human timescale, but there is evidence of changes in the Sun's brightness over geologic time (specifically the Sun has gotten about 30% brighter over the last 4.5Gyr since the formation of the Earth).
Lecture 15: The Main Sequence
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