Moon Halos: Optical Illusion or Ophthalmic Warning?
Moon halo: real, not illusion, due to ice particles scattering light. Cirrus clouds, 31 miles up, form hexagonal ice particles for the 22-degree moon halo. Celestial displays prompt eye health questions, adding intrigue. In a mesmerizing display that has captivated sky gazers for centuries, the luminous halo encircling the full moon has been a subject … Read more