Meaning of periselenium | Babel Free
Definitions
The point of a body's elliptical orbit about the moon's centre of mass where the distance between the body and the centre of mass is at its minimum.
Examples
“Hence, the Earth gravity allows the decrease of the particle energy from zero to a negative value and its capture by the moon to an elliptical orbit, e.g., with a periselenium of ~2,000 km and a high aposelenium of ~70,000h km.”
CEFR level
C1
Advanced
This word is part of the CEFR C1 vocabulary — advanced level.
This word is part of the CEFR C1 vocabulary — advanced level.
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