Definition:Apsis/Line of Apsides
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Definition
The direction of the radius of the orbit of an apse is known as the line of apsides.
Also known as
A line of apsides is also known as an apse line.
Sources
- 1998: David Nelson: The Penguin Dictionary of Mathematics (2nd ed.) ... (previous) ... (next): apse (plural apsides)
- 2008: David Nelson: The Penguin Dictionary of Mathematics (4th ed.) ... (previous) ... (next): apsis (plural apsides)