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Questions tagged [diurnal-cycle]

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5 votes
1 answer
319 views

Are there any seasonal or diurnal trends in earthquakes?

Though I imagine it's unlikely there is any significant correlation because daily and annual temperature variation really only impact a fairly shallow layer of the crust, I wondered whether the actual ...
JeopardyTempest's user avatar
12 votes
4 answers
2k views

Why does the earliest sunset time not coincide with the shortest day of the year?

I viewed sunset times in some major Eastern U.S. cities including Boston, New York, Philadelphia, Boston / D.C. and Miami. It seems that the earliest sunset time starts around the first week of ...
DanF's user avatar
  • 221
6 votes
5 answers
4k views

Why wouldn't the earth be "always daytime" if the "daily cycle of sunlight" was drawn full-scale?

The question is clear enough in my opinion but, I've found out that if you redraw this picture here: You'll notice that the Sun is as big as the Earth. But if you scale up the Sun to it's real size ...
diamondburned's user avatar
3 votes
1 answer
1k views

Why don't all living beings die at night due to lack of oxygen?

During the day plants photosynthesize and give out oxygen through stomata. But during the night, when half of the planet is dark, half of the earth's trees/plants consumes oxygen to survive. At that ...
Ritwik's user avatar
  • 157
11 votes
1 answer
43k views

Why does it rain more at night than during the day?

I'm living near a sea, and it rains mostly and heavily at night from 11 PM to 3 AM. The weather is mostly clear during daytime. Air is generally cooler at night, and cool air holds less moisture ...
Madhan's user avatar
  • 213