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juxtoppose t1_irdfb5d wrote

Reply to comment by Chknbone in Astronomers find a “cataclysmic” pair of stars with the shortest orbit yet: The stars circle each other every 51 minutes, confirming a decades-old prediction by Additional-Two-7312

I guess you would have to know the size of the orbit it goes round in 51min.

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Gamebird8 t1_irdgzrg wrote

Probably a Jupiter or 2 apart. (Maybe a bit more)

Enough that they can't collapse on each other and their launch force from continual slingshotting holds them in a fixed orbit by canceling out gravity

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