吸引人的花招
发表于 2025-3-30 10:23:48
https://doi.org/10.1007/978-3-540-27889-4 early as 1824 Bessel noticed irregularities in the motion of Uranus; he was convinced that the perturbed behavior must be ascribed to the attraction of a planet, as yet unknown and unseen, beyond the orbit of Uranus. Bessel did not complete this investigation; but he did carry to conclusion a simil
头盔
发表于 2025-3-30 14:25:08
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过滤
发表于 2025-3-30 19:19:50
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Aromatic
发表于 2025-3-30 22:30:47
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follicle
发表于 2025-3-31 03:02:49
https://doi.org/10.1007/978-3-658-16330-3.005 ℳ. but not more than 0.5 ℳ.. For each star are given the position referring to the equator, equinox and epoch of the year 2000, the apparent visual magnitude, spectrum, parallax as well as the period of revolution ., eccentricity . of the perturbation orbit and the adopted value for the mass .
antenna
发表于 2025-3-31 05:54:42
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Lignans
发表于 2025-3-31 11:24:21
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Inclement
发表于 2025-3-31 14:56:11
Personenbezogene Recherchen – Doxingnd our control, puts a perculiar responsibility on the astronomer and his approach. The observational material is based on radiation from the stars, which communicates messages at the crawling, yet unsurpassed speed of 300 000 km s.. Our standpoint of observation is essentially tied to planet Earth,
encyclopedia
发表于 2025-3-31 19:03:10
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BILK
发表于 2025-4-1 00:48:19
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