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Posted: 11/16/2022 7:05:21 AM EDT
[#1]
When I was in junior high school we had a science teacher that had a large globe and he used a spot light to mimic the sun and we did a demonstration to show how the rotation of the earth around the sun changes the seasons and the length of the day with the earth tilt of 22-24 degrees...that one lesson has stuck with me for going on 50 years.
The length of the day on earth is within 1 millisecond or less.....think about that. How much light you get is seasonal and goegraphical |
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Posted: 11/16/2022 7:31:26 AM EDT
[#2]
There are 24 hours in a day all year long.
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Posted: 11/16/2022 7:32:31 AM EDT
[#3]
23.5 degrees...
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Posted: 11/16/2022 7:40:16 AM EDT
[#4]
The first day of summer(summer solstice) they begin to get shorter; first day of winter(winter solstice) they begin to get longer.
Science and shit. |
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Posted: 11/16/2022 7:41:31 AM EDT
[#5]
We are closer to the sun in the winter vs the summer...
...yet its colder in the winter |
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Posted: 11/16/2022 8:02:05 AM EDT
[#6]
Quote HistoryQuoted: Wrong. A day is a rotation of the earth. It stays the same length. Daylight hours are a different subject... The average number of daylight hours doesn't change through the year although it does change locally. Quote HistoryQuoted: Quoted: Actually, the opposite is true. Discuss if you wish or ignore me at your intellectual peril. Wrong. A day is a rotation of the earth. It stays the same length. Daylight hours are a different subject... The average number of daylight hours doesn't change through the year although it does change locally. actually every day is shorter than the last. fact |
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Posted: 11/16/2022 8:48:55 AM EDT
[#7]
What if you live on the equator?
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Posted: 11/16/2022 9:16:25 AM EDT
[#8]
Quote HistoryQuoted: Correct. The amount of sun-light time starts increasing on December 22nd, peaks at June 22nd, and starts decreasing again. Days get longer winter and spring, and shorter summer and fall. Quote HistoryQuoted: Quoted: Actually, the opposite is true. Discuss if you wish or ignore me at your intellectual peril. Correct. The amount of sun-light time starts increasing on December 22nd, peaks at June 22nd, and starts decreasing again. Days get longer winter and spring, and shorter summer and fall. Shakespeare wrote a play called a Midsummer Night's Dream... set on the summer solstice. So the solstice would historically be the MID point of summer. Consequently the winter solstice would be the mid point of winter (shortest daylight). So days in winter are the shortest of the year and half of the season they get shorter, half they get longer. Not quite sure when people decided to change the solstice and equinoxes (equinii?) to the start of the seasons rather than the middle. |
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Posted: 11/16/2022 9:19:23 AM EDT
[#9]
Quote HistoryQuoted: Nope - he is correct. The first day of winter falls on the Winter Solstice and is the shortest day (period of daylight) of the year. Hence, days get longer throughout the Winter, as each day is longer than the preceding day. The opposite is true of Summer, with the first day of Summer being the longest day of the year.  Attached File |
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Posted: 11/16/2022 12:26:43 PM EDT
[#10]
Quote HistoryQuoted: The first day of summer(summer solstice) they begin to get shorter; first day of winter(winter solstice) they begin to get longer. Science and shit. Perihelion and Aphelion. I still remember that from a geography class in college back in 1980. |
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Posted: 11/16/2022 11:19:06 PM EDT
[#11]
Quote HistoryQuoted:  It depends on which hemisphere you are observing. Quote HistoryQuoted: Quoted: Quoted: Correct. The amount of sun-light time starts increasing on December 22nd, peaks at June 22nd, and starts decreasing again. Days get longer winter and spring, and shorter summer and fall. Winner It depends on which hemisphere you are observing. Sunrise and sunset calendars The US Naval Observatory used to have a year long generator based on location, but it hasn't been working for a few years, I haven't looked in a while though. |
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Posted: 11/16/2022 11:32:05 PM EDT
[#12]
Neil deGrasse Tyson we got a badass over here.gif
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