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NASA news: Astronomers ‘nail down’ planet in rare triple star system ||

But interest in the unusual planet was renewed thanks to NASA’s Transiting Exoplanet Survey Satellite or TESS – the next-gen planet-hunting space telescope.

TESS seeks out exoplanets by looking at stars for tiny drops in brightness.

With a bit of luck, these drops are caused by transitting objects – planets and asteroids passing in front of the stars.

We now know KOi-5Ab sits about 1,800 light-years away in the Cygnus constellation.

Thanks to TESS and a whole host of other telescopes, Dr Ciardi said astronomers have “resurrected KOi-5Ab from the dead”.

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