The Tropic of Cancer and The Tropic of Capricorn. The Tropic of Cancer and the Tropic of Capricorn each lie at 23.5 degrees latitude. The Tropic of Cancer is located at 23.5Â° North of the equator and runs through Mexico, the Bahamas, Egypt, Saudi Arabia, India, and southern China.
Dr. Elliot Werner: Neither. Halos indicate something in the transparent structures of the eye that is interfering with the transmission of light back to the retina. The most common causes of halos are corneal edema (swelling), cataract, and high humidity in the air.
âIce halos are atmospheric phenomena that can occur around the sun or the moon, when tiny crystals of ice in the atmosphere refract and reflect light, creating a halo around the solar or lunar source,â Ben Biggs, Editor for All About Space magazine, told MailOnline.he light refracts at angles no smaller than 22Â° in the ice crystals (illustrated) - sometimes leading the phenomenon to be called a 22Â° halo-which results in a ring around 44 times larger than the moon itself.