- nounauroras (plural noun)
- 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:"he grabbed one of the station's cameras to capture a photo of the aurora" · "there's a chance to see the aurora tonight, more so in the north"
Originlate Middle English (originally in aurora): from Latin, ‘dawn, goddess of the dawn’. aurora dates from the early 18th century: borealis is from Latin borealis ‘northern’, based on Greek Boreas, the god of the north wind; australis is from Latin australis ‘southern’, from Auster ‘the south, the south wind’. - People also ask
- Natural light display in Earth's skyAn aurora is a natural light display in Earth's sky1. It is also known as polar lights, northern lights, or southern lights1. Auroras are predominantly seen in high-latitude regions, around the Arctic and Antarctic213. They are a brilliant display of bands or folds of variously colored light in the sky at night4. Charged particles from the solar wind are channeled through the Earth's magnetic field into the polar regions. There the particles collide with atoms and molecules in the upper atmosphere, ionizing them and making them glow45.Learn more:✕This summary was generated using AI based on multiple online sources. To view the original source information, use the "Learn more" links.An aurora [a] (PL: auroras or aurorae), [b] also commonly known as polar lights, northern lights, or southern lights, [c] is a natural light display in Earth 's sky, predominantly seen in high-latitude regions (around the Arctic and Antarctic).en.wikipedia.org/wiki/AuroraAn 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.www.nationalgeographic.org/encyclopedia/aurora/a natural appearance of coloured light in the sky that is usually seen in the latitudes (= parts of earth) nearest the Arctic or Antarcticdictionary.cambridge.org/dictionary/english/auroraA brilliant display of bands or folds of variously colored light in the sky at night, especially in polar regions. Charged particles from the solar wind are channeled through the Earth's magnetic field into the polar regions. There the particles collide with atoms and molecules in the upper atmosphere, ionizing them and making them glow.www.dictionary.com/browse/aurora: 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 lineswww.merriam-webster.com/dictionary/aurora
Aurora Definition & Meaning - Merriam-Webster
WEBLearn the origin, usage and synonyms of the word aurora, which can mean dawn, a Roman goddess or a luminous phenomenon in the sky. See examples of aurora in sentences and related articles.
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Aurora - National Geographic Society
WEBOct 19, 2023 · An aurora is a natural light display that shimmers in the sky, caused by solar wind interacting with Earth's magnetic field. Learn about the colors, causes, …
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Aurora - Wikipedia
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, spirals, or dynamic flickers covering the entire sky.
Wikipedia · Text under CC-BY-SA licenseWhat Is an Aurora? | NASA Space Place – NASA …
WEBMay 6, 2024 · An aurora is a light show in the sky caused by the Sun's energy and particles. Learn how auroras are formed, what colors they produce, and which planets have them.
AURORA Definition & Meaning | Dictionary.com
WEBnoun. 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 …
Aurora | Location & Facts | Britannica
WEB6 days ago · Aurora is a luminous phenomenon of Earth's upper atmosphere caused by the interaction of solar wind particles with atoms. Learn about the types, colours, and locations of auroras, and how they …
AURORA | English meaning - Cambridge Dictionary
WEBAurora is a natural appearance of coloured light in the sky that is usually seen in the latitudes nearest the Arctic or Antarctic. Learn more about aurora, its types, causes, …
What is an aurora? The psychedelic lights explained - Astronomy …
WEBMay 10, 2024 · An aurora is a natural light show in the sky caused by charged particles from the Sun colliding with Earth's atmosphere. Learn how aurorae are formed, what …
AURORA | definition in the Cambridge English Dictionary
WEBAurora is a natural appearance of colored light in the sky that is usually seen in the latitudes nearest the Arctic or Antarctic. Learn more about aurora, its types, causes, and …
Auroras | NOAA SciJinks – All About Weather
WEBApr 30, 2024 · Auroras are colorful light shows in the sky caused by the Sun. Learn how solar particles interact with Earth's atmosphere and gases to create auroras, and …
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