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Sulcus
Глоссарий по астрономии |
Subparallel furrows and ridges.
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Sunspot, французский
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.
Sublime (or sublimate), французский
To change directly from a solid to a gas without becoming liquid
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