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Started By
Message
Fall is upon us - how much further away from the Sun are we now?
Posted on 9/23/14 at 10:47 am
Posted on 9/23/14 at 10:47 am
Because temperature sure has plummeted.
Who wold have thought a slight variation in the distance from the Sun would make such a change in climate?
I'm glad Earth has kept the exact same planetary orbit for the lat 5 Billion years so that we can nail down global warming to cars, weed-eaters and flatulence.
Who wold have thought a slight variation in the distance from the Sun would make such a change in climate?
I'm glad Earth has kept the exact same planetary orbit for the lat 5 Billion years so that we can nail down global warming to cars, weed-eaters and flatulence.
15
Posted on 9/23/14 at 10:48 am to Meauxjeaux
What in the frick are you 
about?
about?This post was edited on 9/23/14 at 10:49 am
Posted on 9/23/14 at 10:49 am to Meauxjeaux
I ain't getting rid of my F250 brah. Get over it.
Posted on 9/23/14 at 10:58 am to Meauxjeaux
I bet 20+% of people think that's the cause of seasons.
Posted on 9/23/14 at 10:58 am to Meauxjeaux
We are actually getting closer to the sun right now, and we will be closest in early January. So, the variation in the orbit makes very little difference.
It is cooler in winter for the same reason it is cooler in the morning and evening than mid-day. A square foot of sunlight is spread over an area larger than a square foot (and so does less heating) as the angle it reaches the earth's surface changes.
All this is beside the fact that climate covers a period of time longer than a season.
It is cooler in winter for the same reason it is cooler in the morning and evening than mid-day. A square foot of sunlight is spread over an area larger than a square foot (and so does less heating) as the angle it reaches the earth's surface changes.
All this is beside the fact that climate covers a period of time longer than a season.
Posted on 9/23/14 at 10:58 am to Meauxjeaux
quote:Uh oh.
how much further away from the Sun are we now?
Further than Australia will be in December?
Posted on 9/23/14 at 11:00 am to Meauxjeaux
It's cooler today, where I am. Climate change isn't happening! 
Posted on 9/23/14 at 11:03 am to Meauxjeaux
Do you mean the Earth as a whole being further away, or our surface of the Earth being further away from the Sun relative to other parts of the Earth in this time of the year?
Cause it's both.
Cause it's both.
Posted on 9/23/14 at 11:11 am to Pectus
quote:
Do you mean the Earth as a whole being further away, or our surface of the Earth being further away from the Sun relative to other parts of the Earth in this time of the year?
Cause it's both.
You mean neither.
Posted on 9/23/14 at 11:13 am to Pectus
Oh, the axis too! I'm glad that's been exactly the same for the last 5 Billion years.
Thanks for the reminder erbody
Thanks for the reminder erbody
This post was edited on 9/23/14 at 11:13 am
Posted on 9/23/14 at 11:14 am to Meauxjeaux
So how many miles closer to the sun raises the temp by 1 degree?
Posted on 9/23/14 at 11:15 am to Pectus
quote:Fwiw, aphelion was July 3rd.
Cause it's both
Posted on 9/23/14 at 11:18 am to Meauxjeaux
Closer in the winter and farther in the summer.
Norther hemisphere FTMFW
Norther hemisphere FTMFW
Posted on 9/23/14 at 11:21 am to Meauxjeaux
BTW, which one of these is correct..
From NASA:
From NASA:
From NASA:
From NASA:
Posted on 9/23/14 at 11:25 am to Meauxjeaux
quote:both?
BTW, which one of these is correct..
Posted on 9/23/14 at 11:29 am to NC_Tigah
So our orbit is both a football and a basketball at the same time? How can that be?
Maybe in the first pic the orbital plane is altered just perfectly enough that, in a 2D representation, it appears circular.
Maybe in the first pic the orbital plane is altered just perfectly enough that, in a 2D representation, it appears circular.
Posted on 9/23/14 at 11:40 am to Meauxjeaux
Wait a minute.. what the heck is this?!?!
Posted on 9/23/14 at 11:50 am to Meauxjeaux
quote:
So our orbit is both a football and a basketball at the same time? How can that be?
Wtf? You realize the second picture is a 3/4 overhead view, don't you?
Posted on 9/23/14 at 11:53 am to Meauxjeaux
quote:I think the two are trying to schematically represent different things.
So our orbit is both a football
Earth's orbit is slightly oval. Something like a 4M mile diff aphelion-perihelion. But I don't think either was necessarily trying to represent that. The second was intended to represent a slightly tangential POV.
Same orbit. Different perspective.
Posted on 9/23/14 at 12:12 pm to Meauxjeaux
quote:
Wait a minute.. what the heck is this?!?!
Dig that crazy Uranus axis. I bet the agw kooks there go ape every 42 years.
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