Questions tagged [sun]

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1answer
3k views

Is there any correlation between Grand Solar Minimums (GSM) and earthquakes? [closed]

I've found many claims arguing that the periods of minimum solar activity are associated with increases earthquakes and volcanic activities. Some of these claims are supported by articles in ...
6
votes
2answers
11k views

Why can I look directly at the sun during a sunset but not at noon?

Why can I look directly at the sun during a sunset (with a lot less pain and unconfort) but not at noon?
7
votes
2answers
4k views

Why does the intensity of sunlight depend on your latitude? [duplicate]

People at the equator get to bask in more sunlight than Santa Clause and other inhabitants of the arctic regions. Not quite as pronounced, but they get more than me too. Why is the sunlight more ...
5
votes
1answer
74 views

What is a Rotating Shadowband Radiometer, and how does it work?

This answer explains that the device labeled "B" in the photo below is a "Ultraviolet Multifilter Rotating Shadowband Radiometer." What is a Rotating Shadowband Radiometer, and how does it work? ...
0
votes
1answer
555 views

Sun's Highest Point on June 21

Where would you have to be for the sun to be highest overhead at noon on June 21? Since the rays of the Sun are perpendicular to the Tropic of Cancer on June 21, shouldn't the Sun be overhead in this ...