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Goddess of the morning.
In Roman mythology, Aurora was responsible for such duties as extinguishing stars at the end of night. She is known today primarily in the terms aurora australis, the southern lights and aurora borealis, the northern lights.
1. An atmospheric phenomenon consisting of bands of light caused by charged solar particles following the earth's magnetic lines of force.
2. The most intense of the several luminous atmospheric lights appearing sometimes at night as streamers or bands of light occurring in the upper atmosphere over the middle and high latitudes and seen most often in the Artic and Antarctic regions.
It is thought to be caused by charged particles from the sun entering the earth's magnetic field and stimulating molecules in the atmosphere.
3. When capitalized, Aurora
is the goddess of the dawn, the first light of day.
In Roman mythology, she was the goddess of the dawn; however, in Greek her name was Eos.
Dawn: Eos, Aurora
Greek: Eos (goddess)
Latin: Aurora (goddess)
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Dawn of the southern wind, the southern lights.
Aurora Australis or aurora australis; southern lights
A pattern of differently colored lights that are sometimes seen in the night sky in the most southern parts of the world or the Southern Hemisphere.
Dawn of the northern wind, the northern lights.
Aurora Borealis, Aurorae Borealis, northern lights
An aurora, or northern dawn, that occurs in the northern regions, or the North Pole, of the earth.
1. An operator controlled gating (turning a switch or transistor on and off) to eliminate undesirable radar returns from the aurora.
2. The use of digital or electrical methods in radar to eliminate or reject the target signals from all targets that are outside certain range limits.
The auroral emissions of the Northern Hemisphere or the Southern Hemisplhere which occur at higher than normal altitudes.
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aurora (s), auroae (pl)
Colored light in the night sky near the earth's magnetic poles, called aurora borealis
, "northern lights" in the northern hemisphere and aurora australis
in the southern hemisphere.
Although aurorae are usually restricted to the polar skies, fluctuations in the solar wind occasionally cause them to be visible at lower latitudes.
Aurorae are caused at heights of over 100 kilometers or 60 miles by a fast stream of charged particles from solar flares and low-density "holes" in the sun's corona.
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"Southern lights" or colored lights in the night sky near the earth's magnetic pole in the southern hemisphere.
1. The colored lights seen in the skies around the North Pole.
Caused by the interaction between the solar wind, the earth's magnetic field and the upper atmosphere.
A similar effect happens in the southern hemisphere where it is known as the aurora australis.
2. "Northern lights" or colored lights in the night sky near the earth's magnetic pole in the northern hemisphere of the earth.