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- Dictionaryaurora/ɔːˈrɔːrə/
noun
- 1. a natural electrical phenomenon characterized by the appearance of streamers of reddish or greenish light in the sky, especially near the northern or southern magnetic pole. The effect is caused by the interaction of charged particles from the sun with atoms in the upper atmosphere. In northern and southern regions it is respectively called aurora borealis or Northern Lights and aurora australis or Southern Lights.
- 2. the dawn. literary
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a natural appearance of coloured light in the sky that is usually seen in the latitudes (= parts of earth) nearest the Arctic or Antarctic. nicolamargaret/Vetta/GettyImages. SMART Vocabulary: related words and phrases. Weather & climate - general words. aneroid barometer. anthelion. aurora australis. aurora borealis. barometric. climate.
: a luminous phenomenon that consists of streamers or arches of light appearing in the upper atmosphere of a planet's magnetic polar regions and is caused by the emission of light from atoms excited by electrons accelerated along the planet's magnetic field lines. auroral. ə-ˈrȯr-əl. ȯ- adjective. aurorean. ə-ˈrȯr-ē-ən. ȯ- adjective. Synonyms.
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 ...
AURORA meaning: 1. a natural appearance of coloured light in the sky that is usually seen in the latitudes (= parts…. Learn more.
an atmospheric phenomenon consisting of bands, curtains, or streamers of light, usually green, red, or yellow, that move across the sky in polar regions. It is caused by collisions between air molecules and charged particles from the sun that are trapped in the earth's magnetic field. poetic.
an atmospheric phenomenon consisting of bands, curtains, or streamers of light, usually green, red, or yellow, that move across the sky in polar regions. It is caused by collisions between air molecules and charged particles from the sun that are trapped in the earth's magnetic field. 2. poetic.
An aurora is a beautiful astronomical light show. If you look up at night and see bright bands of light, it's not an invasion by aliens: it's a natural, electrical phenomenon called an aurora. An aurora can happen at either of the Earth's magnetic poles, north or south.
Oct 19, 2023 · Vocabulary. An aurora is a natural light display that shimmers in the sky. Blue, red, yellow, green, and orange lights shift gently and change shape like softly blowing curtains. Auroras are only visible at night, and usually only appear in lower polar regions.
May 10, 2024 · An aurora is one of nature’s most spectacular sights, a dazzling glow in the upper atmosphere driven by space weather.
What does the noun aurora mean? There are seven meanings listed in OED's entry for the noun aurora. See ‘Meaning & use’ for definitions, usage, and quotation evidence. aurora has developed meanings and uses in subjects including. classical mythology (early 1600s) astronomy (early 1700s) magnetism (early 1700s) invertebrates (late 1700s)
