Blink and you won't miss it"You have to be really clever in the techniques you use," said Chris Mann, an exoplanet researcher at the University of Montreal.
In this screenshot from a NASA visualization video, we can see TOI-1338 b passing in front of the main star, occasionally lowering its brightness. But in a binary star system, what if the pull of both stars affects a planet's orbit so that it doesn't pass in front for us to see — that is, it orbits the stars without affecting their brightness? That's where another method,Though stars are more massive, their planets still pull on them. And in that tug of war, Mann explains, there's an effect on the wavelength of light the star gives off.
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