It’s not that the number “8” is wrong - it’s that the entire equation is wrong. And it’s got nothing WHATEVER to do with “NASA”. 8 inches per mile squared (or indeed anything per anything squared) would imply that the Earth is shaped like a parabola - and it’s not - it’s spheroid. That good old 8 inches per mile squared is a VERY rough approximation - used by sailors back in the age of sail to try to estimate the distance to an enemy ship by seeing how far it seemed to have sunk below the horizon. But the further you go in terms of miles the more wildly incorrect the horizon displacement answer will be. Up close (within a few miles) it’s not too badly wrong - but once you get out to (say) 100 miles, it’s NOWHERE NEAR right.
Nothing like a flatter implying that NASA thinks the earth is a parabola to bring knowledgeable commentators out of the woodwork. There are a bunch of replies with math, diagrams, and the correct formula for calculating curvature.
Only if the shape of our planet were a parabola, but it's not. If you'd like, I could link a video that explains why flatters fall for the "8 inches per square mile" fallacy, presents the correct formula, and at the same time mocks flatters in the most reddit-douchy way possible.
Are you taking into consideration the elevation of the observation point? Are you suggesting that with a sufficient lense you could view China from California?
Tell me how far below the horizon an object should be at 110 miles at sea level.
Using an x-ray telescope or some other technology that could go thru all the water vapor in the air, seeing china from CA is possible. Nothing exists yet that can do this.
No, that's the flatter "curve formula", not nasa. It's an approximation that works for very short distances, but being a calculation for a parabola, it claims you shouldn't be able to see objects that you should (and do) on a round earth.
Our lives would be very different if we lived on a parabola.
Can there be a 'wrong' part of Australia? I've always been wanting to see the bungle bungle, go to Coober Pedy, and perhaps visit NorthSouthWest Australia.
The politics sound as bad as California, and worse in some ways. I cruised around the city on google street view, and it's a pretty attractive and clean place, for a city.
One major difference with California (US) is over 80% of roofs here are asphalt shingles, while I didn't see a single shingle in Melbourne. It's all tile or corrugated metal.
After a bunch of searching and looking around, I found the the roughest neighborhood in Melbourne. Two graffities(!), and down the street is a boarded up window!
[ + ]deleted
[ - ] deleted 4 points 11 monthsApr 20, 2023 00:09:31 ago (+4/-0)
[ + ] Sector7
[ - ] Sector7 [op] 1 point 11 monthsApr 20, 2023 00:14:57 ago (+2/-1)
[ + ] NoRefunds
[ - ] NoRefunds 1 point 11 monthsApr 20, 2023 07:26:36 ago (+1/-0)
[ + ] Sector7
[ - ] Sector7 [op] 1 point 11 monthsApr 20, 2023 11:49:05 ago (+1/-0)
8 inches per mile squared (or indeed anything per anything squared) would imply that the Earth is shaped like a parabola - and it’s not - it’s spheroid.
That good old 8 inches per mile squared is a VERY rough approximation - used by sailors back in the age of sail to try to estimate the distance to an enemy ship by seeing how far it seemed to have sunk below the horizon.
But the further you go in terms of miles the more wildly incorrect the horizon displacement answer will be.
Up close (within a few miles) it’s not too badly wrong - but once you get out to (say) 100 miles, it’s NOWHERE NEAR right.
https://www.quora.com/When-NASA-tells-us-that-the-Earths-curvature-is-approximately-8-inches-per-mile-squared-what-is-the-true-and-exact-value
Nothing like a flatter implying that NASA thinks the earth is a parabola to bring knowledgeable commentators out of the woodwork. There are a bunch of replies with math, diagrams, and the correct formula for calculating curvature.
[ + ] NoRefunds
[ - ] NoRefunds 0 points 11 monthsApr 21, 2023 03:15:38 ago (+0/-0)
So tell me the correct distance under the horizon of an object at sea level at 110 miles
[ + ] Sector7
[ - ] Sector7 [op] 0 points 11 monthsApr 21, 2023 03:20:24 ago (+0/-0)
[ + ] NoRefunds
[ - ] NoRefunds 0 points 11 monthsApr 21, 2023 08:58:49 ago (+0/-0)
[ + ] Sector7
[ - ] Sector7 [op] 0 points 11 monthsApr 21, 2023 11:21:16 ago (+0/-0)
[ + ] NoRefunds
[ - ] NoRefunds 0 points 11 monthsApr 21, 2023 14:11:17 ago (+0/-0)
[ + ] Sector7
[ - ] Sector7 [op] 0 points 11 monthsApr 21, 2023 18:05:27 ago (+0/-0)
[ + ] Ozark
[ - ] Ozark 0 points 11 monthsApr 20, 2023 07:32:43 ago (+0/-0)
[ + ] NoRefunds
[ - ] NoRefunds 2 points 11 monthsApr 20, 2023 07:43:41 ago (+2/-0)
[ + ] Ozark
[ - ] Ozark -2 points 11 monthsApr 20, 2023 07:52:05 ago (+0/-2)
Are you suggesting that with a sufficient lense you could view China from California?
[ + ] NoRefunds
[ - ] NoRefunds 1 point 11 monthsApr 20, 2023 09:21:14 ago (+1/-0)
Using an x-ray telescope or some other technology that could go thru all the water vapor in the air, seeing china from CA is possible. Nothing exists yet that can do this.
[ + ] Sector7
[ - ] Sector7 [op] 0 points 11 monthsApr 20, 2023 10:52:10 ago (+0/-0)
Our lives would be very different if we lived on a parabola.
[ + ] deleted
[ - ] deleted 0 points 11 monthsApr 20, 2023 00:17:46 ago (+0/-0)
[ + ] Sector7
[ - ] Sector7 [op] 1 point 11 monthsApr 21, 2023 11:16:39 ago (+1/-0)
[ + ] dulcima
[ - ] dulcima 2 points 11 monthsApr 20, 2023 00:25:56 ago (+2/-0)
[ + ] Sector7
[ - ] Sector7 [op] 1 point 11 monthsApr 20, 2023 11:53:19 ago (+1/-0)
[ + ] dulcima
[ - ] dulcima 2 points 11 monthsApr 20, 2023 12:43:02 ago (+2/-0)
[ + ] Sector7
[ - ] Sector7 [op] 1 point 11 monthsApr 20, 2023 14:52:22 ago (+1/-0)
One major difference with California (US) is over 80% of roofs here are asphalt shingles, while I didn't see a single shingle in Melbourne. It's all tile or corrugated metal.
After a bunch of searching and looking around, I found the the roughest neighborhood in Melbourne. Two graffities(!), and down the street is a boarded up window!
https://files.catbox.moe/beubn6.png
[ + ] Sector7
[ - ] Sector7 [op] 1 point 11 monthsApr 19, 2023 23:56:54 ago (+1/-0)
This stream has a chat.
[ + ] UncleDoug
[ - ] UncleDoug -1 points 11 monthsApr 20, 2023 06:37:40 ago (+1/-2)
@charliebrown_au @VicariousJambi @Doglegwarrior @NoRefunds @BushChuck @Love240 @cb1 @SilentByAssociation
@jewishShillsWranglingRetards
[ + ] NoRefunds
[ - ] NoRefunds 1 point 11 monthsApr 20, 2023 07:27:05 ago (+1/-0)
[ + ] deleted
[ - ] deleted 0 points 11 monthsApr 21, 2023 15:08:29 ago (+0/-0)