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Two sun dogs often flank the Sun within a 22° halo. The sun dog is a member of the family of halos caused by the refraction of sunlight by ice crystals in the atmosphere. Sun dogs typically appear as a pair of subtly colored patches of light, around 22° to the left and right of the Sun, and at the same altitude above the horizon as the Sun ...
I think the reason sundogs are more commonly seen during winter is because the sun sets earlier, it spends more time near the horizon (which is needed to see a sundog), skies tend to be less cloudy and hazy across large chunks of North America and Asia, and cirrus occur at lower levels, so they are more likely to be seen in front of a setting sun.
The photograph is better than I could usually do when I see sun dogs—most of the time, I only see one of the two, or one is much brighter than the other. The photograph also has a nice, clean, low horizon that does not obstruct the sun dogs.
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One of the newer seasonal fast-food items on this list, the fish sandwich from Popeyes made its debut in 2021, which makes it downright spry compared to the Shamrock Shake. The Cajun flounder ...
The effect may also sometimes be known as a "leaping sundog" or "jumping sundog". As with sundogs, observation of the effect is dependent upon the observer's position – it is not a self-generated light such as seen in a lightning strike or aurora, but rather a changing reflection or refraction of the sunlight. Unlike sundogs, however (which ...
The Tundra of North America is a Level I ecoregion of North America designated by the Commission for Environmental Cooperation (CEC) in its North American Environmental Atlas. One of the planet's most recent biomes , a result of the last ice age only 10,000 years ago, the tundra contains unique flora and fauna formed during the last glaciation ...
This is a list of invasive species in North America.A species is regarded as invasive if it has been introduced by human action to a location, area, or region where it did not previously occur naturally (i.e., is not a native species), becomes capable of establishing a breeding population in the new location without further intervention by humans, and becomes a pest in the new location ...