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White Star in Aries
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Close inspection of Epsilon Arietis reveals that it is actually a
binary system: two white stars of similar
mass and luminosity follow long slow orbits around one another.
The white light of this massive star is dimmed somewhat by its great distance: nearly 300 light
years from the Earth. Nonetheless, it is luminous enough to be visible to the naked
eSky © copyright Mark Fisher 1999-2017