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Sunspot
| Глоссарий по астрономии |
An area seen as a dark spot on the photosphere of the sun; sunspots are concentrations of magnetic flux, typically occurring in bipolar clusters or groups; they appear dark because they are cooler than the surrounding photosphere.
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Photosphere, французский
The visible surface of the sun; sunspots and faculae are observed in the photosphere.
Surrounding, английский
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Terra, французский
Extensive land mass.
Sulcus, французский
Subparallel furrows and ridges.
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