If Earth had rings... - The Horse Forum
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  • 4 Post By ACinATX
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post #1 of 5 Old 09-22-2020, 07:46 AM Thread Starter
Green Broke
 
Join Date: Sep 2018
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If Earth had rings...

This is so completely off-topic, but I thought it was really cool. So many pictures, and so much thought about how our culture and history might be different if Earth had had rings. It's a really neat thought exercise IMO.

https://www.livescience.com/what-if-...had-rings.html

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post #2 of 5 Old 09-22-2020, 09:52 AM
Yearling
 
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It would have probably had a big effect. Something I am amazed by is how accurate celestial navigation (using the sun, moon and stars) was for hundreds of years. It was still the most accurate means of navigation outside radar and visual range of land in the 20th century until GPS came along. One of the most important breakthroughs was being able to accurately determine longitude at sea and of all things it is rooted in the time difference between the highest point the sun reaches where you are and noon in England. That is where GMT (Greenwich Mean Time) comes from originally, and lead a surge in developing very accurate clocks. So imagine how much history would be different from having a different sky.
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post #3 of 5 Old 09-22-2020, 11:20 AM
Yearling
 
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I've read that before, but don't remember much. Isn't it possible that all that rock n dust would cause odd and bright reflections?
One pic shows a tidy line, but wouldn't it be in a varying thickness band?
Would debris be raining down regularly?
Would asteroids collide with the ring & make a mess?
And probably no moon, right? So, potentially no tides & life in general might be incredibly different.

I'll read it later, gotta check on how the arena repairs are going for now.
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post #4 of 5 Old 09-22-2020, 11:47 AM
Foal
 
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Pretty! I love alternate universe ideas like this.
Quote:
Originally Posted by secuono View Post
And probably no moon, right? So, potentially no tides & life in general might be incredibly different.
Nah, Saturns got a moon. A lot of moon, actually. A loooooot of moons.
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post #5 of 5 Old 09-22-2020, 02:11 PM
Weanling
 
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I have a really good telescope but it's been a few years since I used it. I should since it's dark here at night so it worked well.
If Earth had rings I'm thinking it would be a lot colder here, and I wonder how all satellites man has put in place would work.
It's interesting to download Google Earth and just scan around our planet looking at things.
One celestial story I always thought funny, and hope it brings a chuckle is growing up on a farm my grandparents lived next door. I loved hearing their stories since born late 1800s, they grew up in the Victorian era completely opposite of today, everything was so prim and proper.
Grandad said he was walking a girl home one evening through the park during a full Moon. Things were fine until he got a runny nose. Even though he had a handkerchief back then it wasn't proper blowing your nose on a date. Grandad quickly thought of something since he had on a long sleeved shirt. Grandad said he pointed up rubbing his nose on the sleeve saying "See the Moon Sally Ann?".

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