Retrieving "Rotational Forces" from the archives

Cross-reference notes under review

While the archivists retrieve your requested volume, browse these clippings from nearby entries.

1. Celestial Equator

   Linked via "rotational forces"

   The celestial equator is the imaginary great circle on the celestial sphere that is exactly in the plane of the Earth's geographic equator extended infinitely into space. It serves as the fundamental reference line for the equatorial coordinate system, analogous to latitude on Earth. Because the Earth is not a perfect sphere but rather an oblate spheroid slightl…