What does auroral mean?
What does auroral mean?
of or like the dawn
adjective. of or like the dawn. pertaining to the aurora borealis or aurora australis.
What is the auroral zone?
Most auroras occur in a band known as the “auroral zone”, which is typically 3° to 6° wide in latitude and between 10° and 20° from the geomagnetic poles at all local times (or longitudes), most clearly seen at night against a dark sky.
What thwarting means?
1a : to oppose successfully : defeat the hopes or aspirations of. b : to run counter to so as to effectively oppose or baffle : contravene. 2 : to pass through or across. thwart. adverb.
How do you use auroral in a sentence?
Auroral sentence example
- Sunlight is not the only disturbing cause in estimates of auroral frequency.
- During some displays, auroral light appears in irregular areas or patches, which sometimes bear a very close resemblance to illuminated detached clouds.
Why shouldn’t you wave the northern lights?
Thought to be the souls of the dead, the Sámi believed you shouldn’t talk about the Northern Lights. It was also dangerous to tease them by waving, whistling or singing under them, as this would alert the lights to your presence. If you caught their attention, the lights could reach down and carry you up into the sky.
What causes the aurora lights?
When the electrons reach Earth’s thin upper atmosphere, they collide with nitrogen and oxygen molecules, sending them into an excited state. The excited electrons eventually calm down and release light, which is what we see as the aurora.
Where is the auroral zone located?
They occur most frequently in a belt of radius 2500 km centered on the magnetic north pole. This so-called auroral zone extends over northern Scandinavia, Island, the southern tip of Greenland and continuing over northern Canada, Alaska and along the northern coast of Siberia.
How do you use thwarting in a sentence?
Thwarting sentence example
- In 1851 he interposed promptly but ineffectively in thwarting the projects of the ” filibusters,” under Narciso Lopez for the invasion of Cuba.
- Good, he says, is the fulfilment of man’s destiny, evil the thwarting of it.
What’s another word for Aurora?
In this page you can discover 20 synonyms, antonyms, idiomatic expressions, and related words for aurora, like: magnetic storm, alpenglow, cockcrow, daybreak, eos, borealis, morn, dawning, dayspring, morning and sunrise.
What is the meaning of the name auroral?
auroral – of or relating to the atmospheric phenomenon auroras; “a prominent green line in the spectrum of the auroras is called the `auroral line'”. 2. auroral – characteristic of the dawn; “a dim auroral glow”. aurorean.
What are auroral displays?
These spectacularly intense meteor streams can be seen from earth, and are called auroral displays, or better known as northern lights. There are two areas called the auroral ovals (oval-shaped rings) which are situated around 23 degrees from the magnetic poles of the Earth.
How common were auroral displays during the equinox?
As the days went by and the equinox drew near, auroral phenomena were with few exceptions visible on clear evenings. During such a period auroral displays were usually of nightly occurrence. Auroral displays were rather frequent but not very pronounced, and in most cases could only be classed as “glows.”
Why do we see auroras at night?
Even though auroras are best seen at night, they are actually caused by the Sun. The Sun sends us more than heat and light; it sends lots of other energy and small particles our way.