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Blue hour. The blue hour (from French l'heure bleue; [1][a] pronounced [lœʁ blø]) is the period of twilight (in the morning or evening, around the nautical stage) when the Sun is at a significant depth below the horizon. During this time, the remaining sunlight takes on a mostly blue shade. This shade differs from the colour of the sky on a ...
In photography, the golden hour is the period of daytime shortly after sunrise or before sunset, during which daylight is redder and softer than when the sun is higher in the sky. The golden hour is also sometimes called the magic hour, especially by cinematographers and photographers. [1][2] During these times, the brightness of the sky ...
A halo (from Ancient Greek ἅλως (hálōs) 'threshing floor, disk') [ 1 ] is an optical phenomenon produced by light (typically from the Sun or Moon) interacting with ice crystals suspended in the atmosphere. Halos can have many forms, ranging from colored or white rings to arcs and spots in the sky.
Hours of sunshine per day: Six Though less warm than more far-flung destinations, Paphos is one of Europe’s most reliable locations for some shorter-haul winter sun.
The Canary Islands are the capital of winter sun in Spain, and none of them are more visited than Tenerife. Though a well-documented summer destination, this island receives six hours of sunshine ...
Hybrid image of solar prominances and the solar chromosphere from NASA satellite images. Chromosphere literally means “sphere of color” and is the second of the Sun’s three main layers.
Sunspots are temporary spots on the Sun's surface that are darker than the surrounding area. They are regions of reduced surface temperature caused by concentrations of magnetic flux that inhibit convection. Sunspots appear within active regions, usually in pairs of opposite magnetic polarity. [2] Their number varies according to the ...
Sometimes, that happens unevenly, which produces spots or patches of pigmentation, like sun spots. People tend to notice sun spots starting in their 20s and 30s, Lamb says, and they become more ...