エリダヌス座イプシロン星
1. Epsilon EridaniEpsilon Eridani (ε Eri, ε Eridani) is a star in the southern constellation Eridanus, along a declination 9.46° south of the celestial equator. This allows the star to be viewed from most of the Earth's surface. At a distance of 10.5 light years (ly), it has an apparent magnitude of 3.73. It is the third closest of the individual stars or star systems visible to the naked eye and is the closest star known to host a planet. Its age is estimated at less than a billion years.
Read “Epsilon Eridani” on English Wikipedia
Read “エリダヌス座イプシロン星” on Japanese Wikipedia
Read “Epsilon Eridani” on DBpedia
Read “Epsilon Eridani” on English Wikipedia
Read “エリダヌス座イプシロン星” on Japanese Wikipedia
Read “Epsilon Eridani” on DBpedia
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