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・ 12.8 cm Pak 44
・ 12/12/12 (film)
・ 12/24 Karol Bagh
・ 120
・ 120 (film)
・ 120 (number)
・ 120 BC
・ 120 Collins Street
・ 120 Days
・ 120 Days (album)
・ 120 Days of Genitorture
・ 120 End Street
・ 120 film
・ 120 KRH 92
・ 120 Krh/40
120 Lachesis
・ 120 Minutes
・ 120 Minutes (UK TV series)
・ 120 mm Italian naval gun
・ 120 mm Krupp howitzer M1905
・ 120 mm M1 gun
・ 120 mm M984 extended-range DPICM mortar round
・ 120 mm Schneider-Canet M1897 long gun
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・ 120 Paintings from the Rijksmuseum
・ 120 Squadron
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120 Lachesis : ウィキペディア英語版
120 Lachesis

120 Lachesis is a large main-belt asteroid. It was discovered by French astronomer Alphonse Borrelly on April 10, 1872, and independently by German-American astronomer Christian Heinrich Friedrich Peters on April 11, 1872, then named after Lachesis, one of the Moirai, or Fates, in Greek mythology.〔 A Lachesean occultation of a star occurred in 1999 and was confirmed visually by five observers and once photoelectrically.〔
Photometric observations of this asteroid were made in early 2009 at the Organ Mesa Observatory in Las Cruces, New Mexico. The resulting light curve shows a synodic rotation period of 46.551 ± 0.002 hours with a brightness variation of 0.14 ± 0.02 in magnitude.〔 It has the longest rotation period of an asteroid more than 150km in diameter.〔 As a primitive C-type asteroid〔 it is probably composed of carbonaceous material.
==References==




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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