the shiny one. because telescopes aren't in the habit of avoiding shiny things; they use the databases of where all of this stuff is and do the math to figure o

the shiny one. because telescopes aren't in the habit of avoiding shiny things; they use the databases of where all of this stuff is and do the math to figure out where it will be. the dark objects at least won't introduce extra photons into the optics to refract around, when they're in your field of view but not obstructing the thing you were actually trying to look at.