What is meant by the term "mid-night sun"?

Related MCQs

• When does the sun shine vertically on the Equator?
• The planet nearest to the Sun is –
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• If a star is bigger than Sun, but not more than twice as big, it will turn into a      
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• The total number of planets revolving around the sun is –
• Which of the following Scientist proved that the path of each planet around the Sun is elliptical?