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Old
Глоссарий по астрономии |
A planetary surface that has been modified little since its formation typically featuring large numbers of impact craters (compare young).
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Oort, jan hendrik 1900-1992, французский
Dutch astronomer made major contributions to knowledge of the structure and rotation of our galaxy. more or less as a sideline, oort studied comets as well. the result of this work was a theory, now widely accepted, that the sun is surrounded by a distant
Oceanus, французский
Literally "ocean"; really a large circular plain
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