The hertzsprungrussell diagram provides information on how s - GED Practice Questions
Question
The Hertzsprung-Russell diagram provides information on how stars are classified. Absolute magnitude is related to the brightness
The smaller the absolute magnitude, the brighter the star.
In approximately 5 billion years, the Sun is predicted to become a red giant. Based on the Hertzsprung-Russell diagram, how will the Sun change from its current stage in the main sequence?
Answers
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Explanation
The correct answer is: It will become cooler and brighter.
According to the Hertzsprung-Russell diagram, as the Sun evolves into a red giant, it will move from its current position in the main sequence towards the upper right of the diagram. This shift indicates a decrease in surface temperature (moving right, becoming cooler) and an increase in absolute magnitude (moving up, becoming brighter). The diagram clearly shows that red giants are cooler but significantly brighter than main sequence stars like our current Sun.
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