Aurora borealis concerns specific areas, doesn't it?

[Efim]

English Language Proficiency Tests, Advanced Level

ESL/EFL Test #573 "Weather Test (10)", question 2

......... is the time of day after a sunset or just before a sunrise when sunlight is scattered and begins to light up the lower part of the sky.

(a) Indian summer
(b) Aurora borealis
(c) Twilight

English Language Proficiency Tests, Advanced Level

ESL/EFL Test #573 "Weather Test (10)", answer 2

Twilight is the time of day after a sunset or just before a sunrise when sunlight is scattered and begins to light up the lower part of the sky.

Correct answer: (c) Twilight
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Aurora borealis concerns specific areas, doesn't it?

Efim

[Linda]

Yes, you're right. They occur in northern areas or latitudes and are also commonly called "the northern lights or the northern polar lights." I've included a link where you can see a beautiful picture of them - http://onemansblog.com/wp-content/uploads/2007/03/AuroraBorealis.jpg
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