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Perrine, charles dillon 1867-1951
Глоссарий по астрономии |
Argentine-american astronomer who discovered himalia and elara.
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Astronomer, английский
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Perturb, французский
To cause a planet or satellite to deviate from a theoretically regular orbital motion .
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)
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