Editing Talk:2750: Flatten the Planets
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: The discs are centered on the orbit of the parent planet, and presumably rotating at the same frequency as the parent planet's orbit. That means the inner edge of each disc is going slower than you'd need to orbit the Sun at that distance, and the outer edge faster. If you moved inward from the original planet's orbit, the Sun's gravity would pull you in, but when you crossed the boundary to the next disc, you'd get flung back outward.[[Special:Contributions/162.158.62.61|162.158.62.61]] 19:58, 15 March 2023 (UTC) | : The discs are centered on the orbit of the parent planet, and presumably rotating at the same frequency as the parent planet's orbit. That means the inner edge of each disc is going slower than you'd need to orbit the Sun at that distance, and the outer edge faster. If you moved inward from the original planet's orbit, the Sun's gravity would pull you in, but when you crossed the boundary to the next disc, you'd get flung back outward.[[Special:Contributions/162.158.62.61|162.158.62.61]] 19:58, 15 March 2023 (UTC) | ||
::No Each planet fills out the space within their orbit into the next planet. Easy to see as the outer edge of Neptune's orbit is the same as with the planet flattened. There is a distance from Mercury to the Sun indicated. Maybe because it would melt if it got any closer? --[[User:Kynde|Kynde]] ([[User talk:Kynde|talk]]) 20:03, 15 March 2023 (UTC) | ::No Each planet fills out the space within their orbit into the next planet. Easy to see as the outer edge of Neptune's orbit is the same as with the planet flattened. There is a distance from Mercury to the Sun indicated. Maybe because it would melt if it got any closer? --[[User:Kynde|Kynde]] ([[User talk:Kynde|talk]]) 20:03, 15 March 2023 (UTC) | ||
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:::First, they're rings not discs, but I'm skeptical of the math. And it looks to me like the ring's edges are halfway between the orbits, with Neptune extended outwards the same distance as halfway to Uranus's orbit. [[Special:Contributions/172.69.22.4|172.69.22.4]] 20:08, 15 March 2023 (UTC) | :::First, they're rings not discs, but I'm skeptical of the math. And it looks to me like the ring's edges are halfway between the orbits, with Neptune extended outwards the same distance as halfway to Uranus's orbit. [[Special:Contributions/172.69.22.4|172.69.22.4]] 20:08, 15 March 2023 (UTC) | ||
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: Except for Mars. I can only imagine that use of the metric system for the Mars ring is a reference to the [https://en.wikipedia.org/wiki/Mars_Climate_Orbiter#Cause_of_failure Mars Climate Orbiter] fiasco, which certainly would not endear Randall, or his proposal, to a NASA granting agency program officer. [[Special:Contributions/172.70.214.150|172.70.214.150]] 02:45, 16 March 2023 (UTC) | : Except for Mars. I can only imagine that use of the metric system for the Mars ring is a reference to the [https://en.wikipedia.org/wiki/Mars_Climate_Orbiter#Cause_of_failure Mars Climate Orbiter] fiasco, which certainly would not endear Randall, or his proposal, to a NASA granting agency program officer. [[Special:Contributions/172.70.214.150|172.70.214.150]] 02:45, 16 March 2023 (UTC) | ||
:: I assume the use of microns there is simply because 5/512 is a really awkward fraction. [[Special:Contributions/172.71.223.25|172.71.223.25]] 05:48, 16 March 2023 (UTC) | :: I assume the use of microns there is simply because 5/512 is a really awkward fraction. [[Special:Contributions/172.71.223.25|172.71.223.25]] 05:48, 16 March 2023 (UTC) | ||
− | ::: Awkward? Its vulgar! [[Special:Contributions/172.70.162.56|172.70.162.56]] 08:05 | + | ::: Awkward? Its vulgar! |
− | + | [[Special:Contributions/172.70.162.56|172.70.162.56]] 08:05, 16 March 2023 (UTC) | |
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If the planets of the solar system were to become disks centered on the respective planet's current orbit, how do we deal with the different orbital eccentricities? For example, per That Other Wiki, Venus has an orbital eccentricity of 0.006772, Earth has 0.0167086, and Mars has 0.0934. Not to mention Neptune's 0.008678 and Pluto's 0.2488; Pluto's orbit actually crosses Neptune's. Surely that would cause issues with the disks? [[Special:Contributions/172.71.98.5|172.71.98.5]] 08:33, 16 March 2023 (UTC) | If the planets of the solar system were to become disks centered on the respective planet's current orbit, how do we deal with the different orbital eccentricities? For example, per That Other Wiki, Venus has an orbital eccentricity of 0.006772, Earth has 0.0167086, and Mars has 0.0934. Not to mention Neptune's 0.008678 and Pluto's 0.2488; Pluto's orbit actually crosses Neptune's. Surely that would cause issues with the disks? [[Special:Contributions/172.71.98.5|172.71.98.5]] 08:33, 16 March 2023 (UTC) | ||
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It appears that there is enough material in the asteroid belt to do this, since a ring of asteroid ball bearings with a 1 trillion kilometer diameter where each ball bearing was a cube 1 meter by 1 meter (clearly more than enough!) would be less than 10 trillion cubic meters. Since the total mass of the asteroid belt is 10^21 kg, and the average density is around 2 g/cm^3, = 2000 kg/m^3, then the amount of matter required is 2,000*10 trillion = 2 quadrillion which is much less than 10^21. (Not sure if this is actually correct) --[[User:Purah126|Purah126]] ([[User talk:Purah126|talk]]) 12:17, 16 March 2023 (UTC) | It appears that there is enough material in the asteroid belt to do this, since a ring of asteroid ball bearings with a 1 trillion kilometer diameter where each ball bearing was a cube 1 meter by 1 meter (clearly more than enough!) would be less than 10 trillion cubic meters. Since the total mass of the asteroid belt is 10^21 kg, and the average density is around 2 g/cm^3, = 2000 kg/m^3, then the amount of matter required is 2,000*10 trillion = 2 quadrillion which is much less than 10^21. (Not sure if this is actually correct) --[[User:Purah126|Purah126]] ([[User talk:Purah126|talk]]) 12:17, 16 March 2023 (UTC) | ||
− | :Ahh yes, the classic cubic-bearing. | + | :Ahh yes, the classic cubic-bearing. |
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Did anyone notice that this came out just after pi-day? [[User:Iggynelix|Iggynelix]] ([[User talk:Iggynelix|talk]]) 12:40, 16 March 2023 (UTC) | Did anyone notice that this came out just after pi-day? [[User:Iggynelix|Iggynelix]] ([[User talk:Iggynelix|talk]]) 12:40, 16 March 2023 (UTC) | ||
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