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・ 24 Oras Southern Mindanao
・ 24 Parganas
・ 24 Persei
・ 24 Preludes and Fugues (Shostakovich)
・ 24 Preludes, Op. 11 (Scriabin)
・ 24 sata
・ 24 sata (Serbia)
・ 24 Scorpii
・ 24 Sextantis
・ 24 Shots
・ 24 SOU "P.K. Yavorov"
・ 24 Squadron
・ 24 Squadron SAAF
・ 24 stundir
・ 24 Sussex Drive
24 Themis
・ 24 Timers Service
・ 24 Ursae Majoris
・ 24 Vesti
・ 24 Views of Mt. Fuji, by Hokusai
・ 24 Vulpeculae
・ 24 Xmas Time
・ 24 Years of Hunger
・ 24's
・ 24's (RichGirl song)
・ 24,25-Dihydroxycholecalciferol
・ 24-7 Spyz
・ 24-7-365 (disambiguation)
・ 24-7-365 (N2Deep album)
・ 24-7-365 (Neal McCoy album)


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24 Themis : ウィキペディア英語版
24 Themis

24 Themis is one of the largest main-belt asteroids. It is also the largest member of the Themistian asteroid family. It was discovered by Annibale de Gasparis on 5 April 1853. It is named after Themis, the personification of natural law and divine order in Greek mythology.
== Discovery and observations ==
24 Themis was discovered on 5 April 1853 by Annibale de Gasparis of Naples, though it was given its name by fellow Italian astronomer Angelo Secchi. The asteroid was named after Themis, the Greek goddess of law. Gravitational perturbations in the orbit of Themis were used to calculate the mass of Jupiter as early as 1875.
On 24 December 1975, 24 Themis had a close encounter with 2296 Kugultinov with a minimum distance of . By analyzing the perturbation of Kugultinov's orbit due to the gravitational pull of Themis, the mass of Themis was determined to be approximately solar masses ( Earth masses).

抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
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