Beta Capricus
Beta Capricus was an interesting celestial feature once erroneously believed by Earth researchers to be a star. 

In reality, Beta Capricus was only an electromagnetic echo of a distant galaxy. This was not known, however, until 2210 when a Earth starship was sent, with its entire crew in stasis (except for Harry Kim's uncle , who piloted it), on a six-month deep space mission to explore the presumed location of the star only to find, in fact, that there was nothing there. ()

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Celestial objects