Hevelian halo meaning

Hevelian halo refers to a circle of light or color encircling the sun or moon, caused by the refraction of light through ice crystals.


Hevelian halo definitions

Word backwards naileveH olah
Part of speech The part of speech of the term "Hevelian halo" is a noun.
Syllabic division He-ve-li-an ha-lo
Plural The plural of Hevelian halo is Hevelian halos.
Total letters 12
Vogais (4) e,i,a,o
Consonants (5) h,v,l,n

Hevelian Halo: A Rare Atmospheric Phenomenon

Hevelian halos, also known as Halo Hevelianum, are a rare optical phenomenon that occurs in the Earth's atmosphere. Named after the Polish astronomer Johannes Hevelius, these halos are characterized by a circular ring of light around the sun or moon. The ring is usually whitish in color and can have a diameter of up to 90 degrees around the celestial body.

Formation and Appearance

Hevelian halos are formed when sunlight or moonlight is refracted and reflected by ice crystals in the atmosphere. These ice crystals act as prisms, bending the light and creating the optical effect of a halo. The shape of the ice crystals determines the size and appearance of the halo, with hexagonal crystals producing the most common circular halo.

Similar Phenomena

Hevelian halos are often confused with other atmospheric phenomena such as sundogs and circumzenithal arcs. Sundogs are bright spots that appear on either side of the sun, while circumzenithal arcs are upside-down rainbows located high in the sky. Unlike these other phenomena, Hevelian halos form a complete ring around the sun or moon.

Observing Hevelian Halos

Due to their rarity, observing Hevelian halos can be a captivating experience for sky watchers and astronomy enthusiasts. These halos are most commonly seen in cold climates where ice crystals are present in the upper atmosphere. To increase your chances of seeing a Hevelian halo, look for them on clear days with thin, high-altitude clouds.

Overall, Hevelian halos are a fascinating natural phenomenon that adds beauty and wonder to our skies. Whether you're a casual observer or a seasoned astronomer, catching a glimpse of these rare halos is sure to leave you in awe of the mysteries of the atmosphere.


Hevelian halo Examples

  1. The Hevelian halo around the moon was a stunning sight on that clear night.
  2. Scientists were amazed by the intricate patterns of the Hevelian halo observed in the sky.
  3. Many people believed the Hevelian halo was a sign of good luck.
  4. Photographers rushed to capture the beauty of the Hevelian halo before it disappeared.
  5. The villagers gathered to witness the rare occurrence of the Hevelian halo above their town.
  6. Children pointed excitedly at the Hevelian halo, marveling at its colorful glow.
  7. A myth was born that whoever saw the Hevelian halo would be blessed with fortune.
  8. People traveled from far and wide to experience the magnificence of the Hevelian halo.
  9. The Hevelian halo was said to bring a sense of peace and tranquility to all who beheld it.
  10. The painters attempted to capture the ethereal beauty of the Hevelian halo in their artwork.


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  • Updated 24/04/2024 - 12:57:18