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・ 140th Street (MVTA station)
・ 140th Wing
・ 140th Year Anniversary Celebration of the Emancipation Proclamation
・ 140–142 Hospital Street, Nantwich
・ 141
・ 141 (number)
・ 141 BC
・ 141 Lumen
・ 141 Lycia earthquake
・ 141 Mayflower Street
・ 14 Eridani
・ 14 Friendly Abductions
・ 14 Going on 30
・ 14 Grandes Éxitos
・ 14 Herculis
14 Herculis b
・ 14 Herculis c
・ 14 Hits
・ 14 Hours (2005 film)
・ 14 Iced Bears
・ 14 inch gun
・ 14 Intelligence Company
・ 14 Irene
・ 14 January 2012 Basra bombing
・ 14 July Revolution
・ 14 Karat Soul
・ 14 Klassiker
・ 14 Lacertae
・ 14 Mai, Satu Mare
・ 14 Megala Tragoudia


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14 Herculis b : ウィキペディア英語版
14 Herculis b



14 Herculis b or 14 Her b is an extrasolar planet approximately 59 light-years away in the constellation of Hercules. The planet was found orbiting the star 14 Herculis, with a mass that would likely make the planet a Jovian planet roughly the same size as Jupiter but much more massive. It was discovered in July 1998 by the Geneva Extrasolar Planet Search team. At the time of discovery it was the extrasolar planet with the longest orbital period, though longer-period planets have subsequently been discovered.
== Discovery ==

Like the majority of known extrasolar planets, 14 Herculis b was detected by measuring variations in its star's radial velocity as a result of the planet's gravity. This was done by making precise measurements of the Doppler shift of the spectrum of 14 Herculis. Prior to this analysis, another possible explanation of previous Doppler shift analysis included face-on spectroscopic binaries.〔

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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