AURORA Meaning and
Definition
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Aurora refers to a natural light display that occurs in the Earth's polar regions, commonly known as the Northern Lights (Aurora Borealis) in the northern hemisphere and the Southern Lights (Aurora Australis) in the southern hemisphere. It is a beautiful and colorful phenomenon seen primarily in dark or twilight skies. This celestial spectacle is caused by the interaction between energetic particles from the sun and the Earth's magnetic field.
The appearance of aurora is characterized by dancing and shifting curtains or arcs of light that vary in color, usually green but sometimes also red, blue, and purple. These luminous displays take various forms, such as rays, bands, or diffuse glows, and can cover large areas of the sky. Auroras are most frequently observed near the Earth's polar regions due to the funnel-shaped magnetic fields present there.
The occurrence of aurora is a result of solar activity, particularly coronal mass ejections (CMEs) or solar flares, which release charged particles into space. As these particles reach the Earth, they are deflected by the planet's magnetic field, colliding with atoms and molecules in the atmosphere. These collisions excite the atoms, causing them to emit light and create the mesmerizing auroral displays.
Auroras have captivated human curiosity for centuries, with early observations dating back to ancient civilizations. Nowadays, they are not only a subject of scientific interest but also a visual spectacle that draws tourists and inspires awe and wonder.
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The rising light of the morning; the plant crowfoot.
Etymological and pronouncing dictionary of the English language. By Stormonth, James, Phelp, P. H. Published 1874.
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Etymology of AURORA
The word "aurora" comes from Latin. It is derived from the Latin term "aurōra" which signifies "dawn" or "daybreak". The Latin term itself is believed to have originated from the Proto-Indo-European root *h₂ewsṓs, which means "dawn". This root has also given rise to similar words in various Indo-European languages, such as the Greek "eos" and the Sanskrit "uṣáṣ".
Similar spelling words for AURORA
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