Solar Activity Affects Age Measurement
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stellar ageSpace
•The sun hides its age with magnetic activity
80% Informative
Astronomers trying to measure sun's age by analyzing vibrations rippling within the sun have realized something troubling.
It seems that the solar cycle of magnetic activity is meddling with their efforts.
Previous measurements have revealed discrepancies between solar age observations and theoretical models.
This is surprising, because the consensus had previously been that magnetic activity should have no impact at all.
The reason why magnetic activity can affect asteroseismic measurements is not yet clear.
Past measurements, such as those made with NASA 's Kepler Space Telescope , may also need revisiting.
The findings were published on Aug. 8 in the journal Astronomy and Astrophysics .
VR Score
91
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96
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64
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informal
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English
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long-living
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