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agaloch2314 t1_jdhbnrs wrote

Just for future reference, the supermassive black hole at the centre of the galaxy is Sagittarius A*, pronounced “Sagittarius A star”. Sagittarius A, without the star, refers to the radio source in its entirety including Sgr A West and Sgr A East.

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EarthInteresting9781 OP t1_jdhi7g0 wrote

But it’s a black hole a collapsed star. Why call it a star still?

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enderxzebulun t1_jdhp9sk wrote

/star/ is pronouncing the * in the name. The asterisk is a convention denoting its relationship to a "parent" object (Sag. A)

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