As the year draws to a close, the December night skies promise a dazzling array of cosmic spectacles. From the rare visit of an interstellar comet to the fiery trails of one of the year's best meteor ...
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NASA exoplanet-hunting spacecraft hears a red giant star 'singing' to its partner black hole
NASA's exoplanet-hunting spacecraft TESS has heard the song a star-quaking red giant sings to its partner black hole.
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