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・ Sirinhaém
・ Sirinhaém River
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・ Sirinićka župa
・ Sirinjeh
・ Sirinjeh, Borujerd
・ Sirinopteryx
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・ Sirio (disambiguation)
・ Sirio Carrapa
・ Sirio Maccioni
・ Sirio Vernati
・ Sirio-class patrol vessel
・ Sirio-class torpedo boat
・ Sirioba
Siriometer
・ Sirion
・ Sirionó language
・ Sirionó people
・ Siripala Gamalath
・ Siripala Jayaweera
・ Siripan Techajindawong
・ Siriporn Ampaipong
・ Siriporn Thaweesuk
・ Siripudi
・ Siripura
・ Siripuram
・ Siripuram, Guntur
・ Siripuram, Nalgonda district
・ Siripuram, Visakhapatnam


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Siriometer : ウィキペディア英語版
Siriometer
The siriometer is a rarely used astronomical measure equal to one million astronomical units, i.e., one million times the average distance between the Sun and Earth.〔(【引用サイトリンク】url=http://www.wolframalpha.com/input/?i=siriometer )〕 This distance is equal to about 149,597,870,000,000,000 meters (149.6 Pm) or about 15.813 light-years, which is roughly twice the distance from Earth to the star Sirius.
It was proposed in 1911 by Carl V. L. Charlier.〔https://www.gutenberg.org/files/22157/22157-h/22157-h.htm Lectures on Stellar Statistics. Charlier. 1921〕
==References==

* On the units of distance in stellar astronomy, Malmquist, K. G., The Observatory, Vol. 48, p. 142-144 (1925) ()


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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