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Oceanus
| Глоссарий по астрономии |
Literally "ocean"; really a large circular plain
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Old, французский
A planetary surface that has been modified little since its formation typically featuring large numbers of impact craters (compare young).
Nicholson, seth barnes 1891-1963, французский
American astronomer; discovered lysithea, ananke, carme and sinope; also did important work on sunspots.
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