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Exotic binary stars

Cataclysmic variable stars (CVs) are white dwarf stars that are accreting from an orbiting, low mass binary companion star. The accretion is facilitated by the proximity of the stars; typical orbital periods range from about ...

dateApr 09, 2018 in Astronomy
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Dark matter 'missing' in a galaxy far, far away

Galaxies and dark matter go hand in hand; you typically don't find one without the other. So when researchers uncovered a galaxy, known as NGC1052-DF2, that is almost completely devoid of the stuff, they were shocked.

dateMar 28, 2018 in Astronomy
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