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Penumbra
Глоссарий по астрономии |
Literally, "dim light"; the outer filamentary region of a sunspot.
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Filamentary, английский
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Perihelion, французский
The point in its orbit where a planet is closest to the sun. when refering to objects orbiting the earth the term perigee is used; the term periapsis is used for orbits around other bodies. (opposite of aphelion)
Patera, французский
Shallow crater; scalloped, complex edge.
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