👉 The term "psf" is a combination of the Greek words "protopos" (meaning "of) and "fisio" (meaning "air"), referring to the concept of planetary flux. In astronomy, it refers to the continuous motion or movement of stars and planets through space.
👉 The term "psf" is a combination of the Greek words "protopos" (meaning "of) and "fisio" (meaning "air"), referring to the concept of planetary flux. In astronomy, it refers to the continuous motion or movement of stars and planets through space.
