One nice thing about discovering exoplanets is that, once you work out how long their orbits take, they continue to show up like clockwork. The timing is so regular, in fact, that we can use variations to detect the gravitational influence of additional planets in the same exosolar system. And the precise timing is useful in that we can rely on it to point telescopes at the system when we know some of the light we detect has passed through the planet’s atmosphere.
The amazing disappearing exoplanet
An exoplanet seems to stopped transiting in front of its host star.
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