Edge only. Fortunately, most of the exoplanets we know of were discovered by that exact method (by space telescopes that stared at a patch of stars for months a

Edge only. Fortunately, most of the exoplanets we know of were discovered by that exact method (by space telescopes that stared at a patch of stars for months at a time https://en.wikipedia.org/wiki/Kepler_space_telescope https://en.wikipedia.org/wiki/Kepler_space_telescope ) so it's just a matter of working down that list.