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An aurora (pl. aurorae or auroras), also commonly known as the northern lights (aurora borealis) or southern lights (aurora australis), is a natural light display in Earth's sky, predominantly seen in high-latitude regions (around the Arctic and Antarctic). Auroras display dynamic patterns of brilliant lights that appear as curtains, rays ...
The biggest geomagnetic storm in two decades, sparked by solar flares, caused dazzling lights displays in parts of Latin America overnight on Friday, including a rare appearance in Mexico. In ...
English spelling comparison chart[edit] See also: Wikipedia:Manual of Style/Spelling/Words ending with "-ise" or "-ize". This table gives the accepted spellings (following government guidelines and major dictionaries). It is by no means exhaustive, but rather an overview. When two variants appear in the same cell, the one listed first is more ...
Ray Sanchez and Ashley R. Williams, CNN. May 12, 2024 at 3:06 PM. In case you missed the stunning nighttime spectacle of multicolored auroras dancing in the skies across the Northern Hemisphere ...
The northern lights colored the Tri-Cities sky Friday night with a spectacular light show. The clear warm night drew thousands out into the darkness hoping to see the often elusive dancing display.
A dazzler is a non- lethal weapon which uses intense directed radiation to temporarily disorient its target with flash blindness. They can effectively deter further advances, regardless of language or cultural barriers, but can also be used for hailing and warning. [1] Targets can include electronic sensors as well as human vision.
The best time to try to see the Northern Lights will be in the early morning hours of Saturday – by 2 a.m. or 3 a.m. However, on Friday night, the lights could faintly be seen over the city of ...
Luminous intensity. In photometry, luminous intensity is a measure of the wavelength -weighted power emitted by a light source in a particular direction per unit solid angle, based on the luminosity function, a standardized model of the sensitivity of the human eye. The SI unit of luminous intensity is the candela (cd), an SI base unit .