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Alpha Orionis. In DICTIOUS you will not only get to know all the dictionary meanings for the word
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English
Proper noun
Alpha Orionis
- (astronomy) Synonym of Betelgeuse
2007, Yuval Dolev, Time and Realism: Metaphysical and Antimetaphysical Perspectives, MIT Press, →ISBN, page 198:Thus, to take an example, a concert in Boston can be copresent with a soccer match in Sydney, but not with a soccer match on, say, Alpha Orionis: the present as it is defined relative to the soccer match extends some ninety light minutes into space, and so includes Sydney, but not Alpha Orionis, which is several hundred light years away.