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Explain to me again, how we know the Earth to be banana shaped.
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<blockquote data-quote="Ratskinner" data-source="post: 6996981" data-attributes="member: 6688937"><p>That would be really visually weird for earthers to experience. There'd (almost) always be the "Great Arc of the Sky" (far side of the ring) at night, that would only briefly go dark in a regular pattern. (And how much detail you could see of it would depend on the dimensions of the ring. Additionally, days and nights wouldn't need to be the anywhere near same or even regular length.</p><p></p><p>The first big question I think of is "what angle does the axis of the solar orbit make with ring's axis?" That will determine what odd-to-earthlings path the sun takes across the sky. Also</p><p></p><p>One big additional question would be: is the ringworld spinning? If so, the ringworld spinning gives you "days", while the sun's (slower) orbit gives "years". You'd have two times each year when the whole ring is plunged into a deeper darkness than it usually sees as the sun passes "behind" some portion of the ring and the Arc disappears from lack of illumination. I would expect those to be important times in people's lives.</p><p></p><p>If the solar orbit and ringworld rotation are at the same period, you would have permanently cold "polar" regions and warm "tropical" regions along the ring. </p><p></p><p>The more I think about it, the weirder it gets (lotsa possibilities here).</p></blockquote><p></p>
[QUOTE="Ratskinner, post: 6996981, member: 6688937"] That would be really visually weird for earthers to experience. There'd (almost) always be the "Great Arc of the Sky" (far side of the ring) at night, that would only briefly go dark in a regular pattern. (And how much detail you could see of it would depend on the dimensions of the ring. Additionally, days and nights wouldn't need to be the anywhere near same or even regular length. The first big question I think of is "what angle does the axis of the solar orbit make with ring's axis?" That will determine what odd-to-earthlings path the sun takes across the sky. Also One big additional question would be: is the ringworld spinning? If so, the ringworld spinning gives you "days", while the sun's (slower) orbit gives "years". You'd have two times each year when the whole ring is plunged into a deeper darkness than it usually sees as the sun passes "behind" some portion of the ring and the Arc disappears from lack of illumination. I would expect those to be important times in people's lives. If the solar orbit and ringworld rotation are at the same period, you would have permanently cold "polar" regions and warm "tropical" regions along the ring. The more I think about it, the weirder it gets (lotsa possibilities here). [/QUOTE]
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Explain to me again, how we know the Earth to be banana shaped.
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