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RE: A New Year, A Full Moon And Belated New Year's Fireworks
Hi, I found some acronyms/abbreviations in this post. This is how they expand:
| Acronym | Explanation |
| apogee | Highest point in an elliptical orbit around Earth (when the orbiter is slowest) |
| perigee | Lowest point in an elliptical orbit around the Earth (when the orbiter is fastest) |