Search results
Results From The WOW.Com Content Network
22° halo around the Sun 22° halo around the Moon. A 22° halo is an atmospheric optical phenomenon that consists of a halo with an apparent diameter of approximately 22° around the Sun or Moon. Around the Sun, it may also be called a sun halo. [1] Around the Moon, it is also known as a moon ring, storm ring, or winter halo.
A crisp parhelic circle (horizontal line) over South Pole Station. Photo: John Bortniak, NOAA, January 1979. A halo display observed over the South Pole. Featured in the photo are several distinct phenomena: A parhelic circle (horizontal line), a 22° halo (circle) with two sundogs (bright spots), and an upper tangent arc.
A 22° halo around the Sun, observed over Bretton Woods, New Hampshire, USA on February 13, 2021 A 22° halo and circumscribed halo around the Moon, observed near Kitt Peak National Observatory From top to bottom: A circumzenithal arc, supralateral arc, Parry arc, upper tangent arc, and 22° halo
The final full moon of meteorological winter illuminated the weekend sky, and for some skywatchers across the eastern United States, it created an eye-grabbing meteorological spectacle.
Discover the latest breaking news in the U.S. and around the world — politics, weather, entertainment, lifestyle, finance, sports and much more.
Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!
The halo was first described by Sir William Edward Parry (1790–1855) in 1820 during one of his Arctic expeditions in search for the Northwest Passage.On April 8, under harsh conditions while his two ships were trapped by ice forcing him to winter over at Melville Island in the northern Canadian Arctic Archipelago, he made a drawing of the phenomenon.
Also visible are parts of the 22° halo (the arcs passing through each sun dog), a sun pillar (the vertical line), and the parhelic circle (the horizontal line). A sun dog (or sundog ) or mock sun , also called a parhelion [ 1 ] (plural parhelia ) in atmospheric science , is an atmospheric optical phenomenon that consists of a bright spot to ...