Orion's Belt vs or the Magi

Orion's Belt

name
  • A bright asterism located near the celestial equator; it consists of three bright stars lined up and visibly close together. It is part of the constellation Orion and includes the stars Alnitak (ζ Ori), Alnilam (ε Ori), and Mintaka (δ Ori). 

or the Magi

How often have the words Orion's Belt and or the Magi occurred in a corpus of books? (source: Google Ngram Viewer )