A精确的
发表于 2025-3-28 17:15:06
A Two-Sphere Universe,model could explain almost all the ancient astronomical observable facts. A practical device called the armillary sphere was created to predict the positions and timing of sunrise and sunset on any date of the year and from anywhere on Earth.
Entropion
发表于 2025-3-28 21:01:48
Does the Earth Really Go Around the Sun?,wheels upon wheels mathematical fiction or an actual mechanical model of the Universe? Copernicus’ model was a mathematical transformation of Ptolemy’s model. Was it any more real? Which theory represented the reality?
Obstacle
发表于 2025-3-28 22:57:11
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implore
发表于 2025-3-29 05:47:07
978-3-319-54171-6Springer International Publishing AG 2017
Hdl348
发表于 2025-3-29 07:19:38
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不近人情
发表于 2025-3-29 13:33:00
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小官
发表于 2025-3-29 18:35:38
Ancient Models of the Universe, Earth seems flat and the horizon seems to extend to infinity, but the motions of the Sun, the Moon and the stars suggest that heaven is spherical. The flat Earth/domed heavens model was a common cosmological model of ancient civilizations. However, this model also raised questions such as “where do
Meditative
发表于 2025-3-29 19:51:41
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maudtin
发表于 2025-3-30 01:29:35
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抵押贷款
发表于 2025-3-30 04:27:11
A Two-Sphere Universe,model could explain almost all the ancient astronomical observable facts. A practical device called the armillary sphere was created to predict the positions and timing of sunrise and sunset on any date of the year and from anywhere on Earth.